9.1
CRITICAL
CVE-2022-40267
Mitsubishi Electric Corporation MELSEC iQ-F and iQ-R Series Predictable PRNG Authentication Bypass
Description

Predictable Seed in Pseudo-Random Number Generator (PRNG) vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-xMy/z (x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 17X**** or later, and versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-xMy/z (x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 179**** and prior, and versions 1.074 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-xMy/z (x=32,64,96, y=T, z=D,DSS)) with serial number 17X**** or later, and versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-xMy/z (x=32,64,96, y=T, z=D,DSS)) with serial number 179**** and prior, and versions 1.074 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DSS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-xMy/z (x=24,40,60, y=T,R, z=ES,ESS) versions 1.042 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-xMy/ES-A (x=24,40,60, y=T,R) versions 1.043 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-xMy/z (x=30,40,60,80, y=T,R, z=ES,ESS) versions 1.003 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MR/DS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R00/01/02CPU versions 33 and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120(EN)CPU versions 66 and prior allows a remote unauthenticated attacker to access the Web server function by guessing the random numbers used for authentication from several used random numbers.

INFO

Published Date :

Jan. 20, 2023, 8:15 a.m.

Last Modified :

April 18, 2023, 4:15 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2022-40267 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Mitsubishielectric fx5u-80mt\/ess_firmware
2 Mitsubishielectric fx5u-32mt\/dss_firmware
3 Mitsubishielectric fx5u-64mt\/dss_firmware
4 Mitsubishielectric fx5u-80mt\/dss_firmware
5 Mitsubishielectric fx5uc-32mt\/d_firmware
6 Mitsubishielectric fx5uc-64mt\/d_firmware
7 Mitsubishielectric fx5uc-96mt\/d_firmware
8 Mitsubishielectric fx5uc-32mt\/dss_firmware
9 Mitsubishielectric fx5uc-64mt\/dss_firmware
10 Mitsubishielectric fx5uc-96mt\/dss_firmware
11 Mitsubishielectric fx5uc-32mt\/ds-ts_firmware
12 Mitsubishielectric fx5uc-32mt\/dss-ts_firmware
13 Mitsubishielectric fx5uc-32mr\/ds-ts_firmware
14 Mitsubishielectric r00cpu_firmware
15 Mitsubishielectric r01cpu_firmware
16 Mitsubishielectric r02cpu_firmware
17 Mitsubishielectric r04cpu_firmware
18 Mitsubishielectric r08cpu_firmware
19 Mitsubishielectric r16cpu_firmware
20 Mitsubishielectric r32cpu_firmware
21 Mitsubishielectric r120cpu_firmware
22 Mitsubishielectric r04encpu_firmware
23 Mitsubishielectric r08encpu_firmware
24 Mitsubishielectric r16encpu_firmware
25 Mitsubishielectric r32encpu_firmware
26 Mitsubishielectric r120encpu_firmware
27 Mitsubishielectric fx5uj-24mt\/es_firmware
28 Mitsubishielectric fx5uj-40mt\/es_firmware
29 Mitsubishielectric fx5uj-60mt\/es_firmware
30 Mitsubishielectric fx5uj-24mr\/es_firmware
31 Mitsubishielectric fx5uj-40mr\/es_firmware
32 Mitsubishielectric fx5uj-60mr\/es_firmware
33 Mitsubishielectric fx5uj-24mt\/ess_firmware
34 Mitsubishielectric fx5uj-40mt\/ess_firmware
35 Mitsubishielectric fx5uj-60mt\/ess_firmware
36 Mitsubishielectric fx5uj-24mt\/es-a_firmware
37 Mitsubishielectric fx5uj-40mt\/es-a_firmware
38 Mitsubishielectric fx5uj-60mt\/es-a_firmware
39 Mitsubishielectric fx5uj-24mr\/es-a_firmware
40 Mitsubishielectric fx5uj-40mr\/es-a_firmware
41 Mitsubishielectric fx5uj-60mr\/es-a_firmware
42 Mitsubishielectric fx5s-30mt\/es_firmware
43 Mitsubishielectric fx5s-40mt\/es_firmware
44 Mitsubishielectric fx5s-60mt\/es_firmware
45 Mitsubishielectric fx5s-80mt\/es_firmware
46 Mitsubishielectric fx5s-30mr\/es_firmware
47 Mitsubishielectric fx5s-40mr\/es_firmware
48 Mitsubishielectric fx5s-60mr\/es_firmware
49 Mitsubishielectric fx5s-80mr\/es_firmware
50 Mitsubishielectric fx5s-30mt\/ess_firmware
51 Mitsubishielectric fx5s-40mt\/ess_firmware
52 Mitsubishielectric fx5s-60mt\/ess_firmware
53 Mitsubishielectric fx5s-80mt\/ess_firmware
54 Mitsubishielectric melsec_iq-fx5u-32mt\/es_firmware
55 Mitsubishielectric melsec_iq-fx5u-32mt\/ds_firmware
56 Mitsubishielectric melsec_iq-fx5u-32mt\/ess_firmware
57 Mitsubishielectric melsec_iq-fx5u-32mt\/dss_firmware
58 Mitsubishielectric melsec_iq-fx5u-32mr\/es_firmware
59 Mitsubishielectric melsec_iq-fx5u-32mr\/ds_firmware
60 Mitsubishielectric melsec_iq-fx5u-64mt\/es_firmware
61 Mitsubishielectric melsec_iq-fx5u-64mt\/ds_firmware
62 Mitsubishielectric melsec_iq-fx5u-64mt\/ess_firmware
63 Mitsubishielectric melsec_iq-fx5u-64mt\/dss_firmware
64 Mitsubishielectric melsec_iq-fx5u-64mr\/es_firmware
65 Mitsubishielectric melsec_iq-fx5u-64mr\/ds_firmware
66 Mitsubishielectric melsec_iq-fx5u-80mt\/ds_firmware
67 Mitsubishielectric melsec_iq-fx5u-80mt\/ess_firmware
68 Mitsubishielectric melsec_iq-fx5u-80mt\/dss_firmware
69 Mitsubishielectric melsec_iq-fx5u-80mr\/es_firmware
70 Mitsubishielectric melsec_iq-fx5u-80mr\/ds_firmware
71 Mitsubishielectric melsec_iq-fx5uc-32mt\/ds-ts_firmware
72 Mitsubishielectric melsec_iq-fx5uc-32mt\/dss-ts_firmware
73 Mitsubishielectric melsec_iq-fx5uc-32mr\/ds-ts_firmware
: Total Affected Vendor : 1 | Products : 73
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-40267.

URL Resource
https://jvn.jp/vu/JVNVU99673580/index.html Mitigation Third Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-23-017-02 Mitigation Third Party Advisory US Government Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-019_en.pdf Mitigation Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-40267 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-40267 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 18, 2023

    Action Type Old Value New Value
    Changed Description Predictable Seed in Pseudo-Random Number Generator (PRNG) vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-xMy/z (x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 17X**** or later, and versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-xMy/z (x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 179**** and prior, and versions 1.074 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-xMy/z (x=32,64,96, y=T, z=D,DSS)) with serial number 17X**** or later, and versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-xMy/z (x=32,64,96, y=T, z=D,DSS)) with serial number 179**** and prior, and versions 1.074 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DSS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-xMy/z (x=24,40,60, y=T,R, z=ES,ESS) versions 1.042 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-xMy/ES-A (x=24,40,60, y=T,R) versions 1.043 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-xMy/z (x=30,40,60,80, y=T,R, z=ES,ESS) versions 1.003 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MR/DS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R00/01/02CPU all versions, Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120(EN)CPU all versions allows a remote unauthenticated attacker to access the Web server function by guessing the random numbers used for authentication from several used random numbers. Predictable Seed in Pseudo-Random Number Generator (PRNG) vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-xMy/z (x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 17X**** or later, and versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-xMy/z (x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 179**** and prior, and versions 1.074 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-xMy/z (x=32,64,96, y=T, z=D,DSS)) with serial number 17X**** or later, and versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-xMy/z (x=32,64,96, y=T, z=D,DSS)) with serial number 179**** and prior, and versions 1.074 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DSS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-xMy/z (x=24,40,60, y=T,R, z=ES,ESS) versions 1.042 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-xMy/ES-A (x=24,40,60, y=T,R) versions 1.043 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-xMy/z (x=30,40,60,80, y=T,R, z=ES,ESS) versions 1.003 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MR/DS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R00/01/02CPU versions 33 and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120(EN)CPU versions 66 and prior allows a remote unauthenticated attacker to access the Web server function by guessing the random numbers used for authentication from several used random numbers.
  • Initial Analysis by [email protected]

    Jan. 30, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    Changed Reference Type https://jvn.jp/vu/JVNVU99673580/index.html No Types Assigned https://jvn.jp/vu/JVNVU99673580/index.html Mitigation, Third Party Advisory
    Changed Reference Type https://www.cisa.gov/uscert/ics/advisories/icsa-23-017-02 No Types Assigned https://www.cisa.gov/uscert/ics/advisories/icsa-23-017-02 Mitigation, Third Party Advisory, US Government Resource
    Changed Reference Type https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-019_en.pdf No Types Assigned https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-019_en.pdf Mitigation, Vendor Advisory
    Added CWE NIST CWE-335
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5u-80mt\/ess_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:fx5u-80mt\/ess:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5u-32mt\/dss_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:fx5u-32mt\/dss:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5u-64mt\/dss_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:fx5u-64mt\/dss:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5u-80mt\/dss_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:fx5u-80mt\/dss:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uc-32mt\/d_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:fx5uc-32mt\/d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uc-64mt\/d_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:fx5uc-64mt\/d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uc-96mt\/d_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:fx5uc-96mt\/d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uc-32mt\/dss_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:fx5uc-32mt\/dss:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uc-64mt\/dss_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:fx5uc-64mt\/dss:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uc-96mt\/dss_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:fx5uc-96mt\/dss:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uc-32mt\/ds-ts_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.280 OR cpe:2.3:h:mitsubishielectric:fx5uc-32mt\/ds-ts:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uc-32mt\/dss-ts_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.280 OR cpe:2.3:h:mitsubishielectric:fx5uc-32mt\/dss-ts:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uc-32mr\/ds-ts_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.280 OR cpe:2.3:h:mitsubishielectric:fx5uc-32mr\/ds-ts:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r00cpu_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r00cpu:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r01cpu_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r01cpu:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r02cpu_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r02cpu:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r04cpu_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r04cpu:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r08cpu_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r08cpu:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r16cpu_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r16cpu:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r32cpu_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r32cpu:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r120cpu_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r120cpu:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r04encpu_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r04encpu:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r08encpu_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r08encpu:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r16encpu_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r16encpu:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r32encpu_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r32encpu:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r120encpu_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r120encpu:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uj-24mt\/es_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.042 OR cpe:2.3:h:mitsubishielectric:fx5uj-24mt\/es:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uj-40mt\/es_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.042 OR cpe:2.3:h:mitsubishielectric:fx5uj-40mt\/es:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uj-60mt\/es_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.042 OR cpe:2.3:h:mitsubishielectric:fx5uj-60mt\/es:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uj-24mr\/es_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.042 OR cpe:2.3:h:mitsubishielectric:fx5uj-24mr\/es:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uj-40mr\/es_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.042 OR cpe:2.3:h:mitsubishielectric:fx5uj-40mr\/es:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uj-60mr\/es_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.042 OR cpe:2.3:h:mitsubishielectric:fx5uj-60mr\/es:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uj-24mt\/ess_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.042 OR cpe:2.3:h:mitsubishielectric:fx5uj-24mt\/ess:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uj-40mt\/ess_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.042 OR cpe:2.3:h:mitsubishielectric:fx5uj-40mt\/ess:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uj-60mt\/ess_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.042 OR cpe:2.3:h:mitsubishielectric:fx5uj-60mt\/ess:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uj-24mt\/es-a_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.043 OR cpe:2.3:h:mitsubishielectric:fx5uj-24mt\/es-a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uj-40mt\/es-a_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.043 OR cpe:2.3:h:mitsubishielectric:fx5uj-40mt\/es-a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uj-60mt\/es-a_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.043 OR cpe:2.3:h:mitsubishielectric:fx5uj-60mt\/es-a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uj-24mr\/es-a_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.043 OR cpe:2.3:h:mitsubishielectric:fx5uj-24mr\/es-a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uj-40mr\/es-a_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.043 OR cpe:2.3:h:mitsubishielectric:fx5uj-40mr\/es-a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5uj-60mr\/es-a_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.043 OR cpe:2.3:h:mitsubishielectric:fx5uj-60mr\/es-a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5s-30mt\/es_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.003 OR cpe:2.3:h:mitsubishielectric:fx5s-30mt\/es:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5s-40mt\/es_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.003 OR cpe:2.3:h:mitsubishielectric:fx5s-40mt\/es:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5s-60mt\/es_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.003 OR cpe:2.3:h:mitsubishielectric:fx5s-60mt\/es:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5s-80mt\/es_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.003 OR cpe:2.3:h:mitsubishielectric:fx5s-80mt\/es:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5s-30mr\/es_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.003 OR cpe:2.3:h:mitsubishielectric:fx5s-30mr\/es:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5s-40mr\/es_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.003 OR cpe:2.3:h:mitsubishielectric:fx5s-40mr\/es:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5s-60mr\/es_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.003 OR cpe:2.3:h:mitsubishielectric:fx5s-60mr\/es:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5s-80mr\/es_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.003 OR cpe:2.3:h:mitsubishielectric:fx5s-80mr\/es:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5s-30mt\/ess_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.003 OR cpe:2.3:h:mitsubishielectric:fx5s-30mt\/ess:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5s-40mt\/ess_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.003 OR cpe:2.3:h:mitsubishielectric:fx5s-40mt\/ess:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5s-60mt\/ess_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.003 OR cpe:2.3:h:mitsubishielectric:fx5s-60mt\/ess:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:fx5s-80mt\/ess_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.003 OR cpe:2.3:h:mitsubishielectric:fx5s-80mt\/ess:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 27, 2023

    Action Type Old Value New Value
    Changed Description Predictable Seed in Pseudo-Random Number Generator (PRNG) vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-xMy/z (x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 17X**** or later, and versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-xMy/z (x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 179**** and prior, and versions 1.074 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-xMy/z (x=32,64,96, y=T, z=D,DSS)) with serial number 17X**** or later, and versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-xMy/z (x=32,64,96, y=T, z=D,DSS)) with serial number 179**** and prior, and versions 1.074 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DSS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MR/DS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R00/01/02CPU all versions, Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120(EN)CPU all versions allows a remote unauthenticated attacker to access the Web server function by guessing the random numbers used for authentication from several used random numbers. Predictable Seed in Pseudo-Random Number Generator (PRNG) vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-xMy/z (x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 17X**** or later, and versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-xMy/z (x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 179**** and prior, and versions 1.074 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-xMy/z (x=32,64,96, y=T, z=D,DSS)) with serial number 17X**** or later, and versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-xMy/z (x=32,64,96, y=T, z=D,DSS)) with serial number 179**** and prior, and versions 1.074 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DSS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-xMy/z (x=24,40,60, y=T,R, z=ES,ESS) versions 1.042 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-xMy/ES-A (x=24,40,60, y=T,R) versions 1.043 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-xMy/z (x=30,40,60,80, y=T,R, z=ES,ESS) versions 1.003 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MR/DS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R00/01/02CPU all versions, Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120(EN)CPU all versions allows a remote unauthenticated attacker to access the Web server function by guessing the random numbers used for authentication from several used random numbers.
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-40267 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-40267 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.37 }} 0.06%

score

0.72799

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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