7.5
HIGH
CVE-2020-5668
Mitsubishi Electric MELSEC iQ-R Series Unauthenticated Remote Denial-of-Service (DoS)
Description
Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series modules (R00/01/02CPU firmware version '19' and earlier, R04/08/16/32/120 (EN) CPU firmware version '51' and earlier, R08/16/32/120SFCPU firmware version '22' and earlier, R08/16/32/120PCPU firmware version '25' and earlier, R08/16/32/120PSFCPU firmware version '06' and earlier, RJ71EN71 firmware version '47' and earlier, RJ71GF11-T2 firmware version '47' and earlier, RJ72GF15-T2 firmware version '07' and earlier, RJ71GP21-SX firmware version '47' and earlier, RJ71GP21S-SX firmware version '47' and earlier, and RJ71GN11-T2 firmware version '11' and earlier) allows a remote unauthenticated attacker to cause an error in a CPU unit and cause a denial-of-service (DoS) condition in execution of the program and its communication, or to cause a denial-of-service (DoS) condition in communication via the unit by receiving a specially crafted SLMP packet
INFO
Published Date :
Nov. 20, 2020, 4:15 a.m.
Last Modified :
April 29, 2022, 1:21 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2020-5668
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.
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-2020-5668.
| URL | Resource |
|---|---|
| https://jvn.jp/vu/JVNVU95980140/index.html | Third Party Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-20-324-05 | Third Party Advisory US Government Resource |
| https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-016.pdf | Vendor Advisory |
| https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-016_en.pdf | 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-2020-5668 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-5668 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 -
Modified Analysis by [email protected]
Apr. 29, 2022
Action Type Old Value New Value Changed CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r08pcpu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r08pcpu:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:mitsubishielectric:r08pcpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 25 OR cpe:2.3:h:mitsubishielectric:r08pcpu:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r16pcpu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r16pcpu:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:mitsubishielectric:r16pcpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 25 OR cpe:2.3:h:mitsubishielectric:r16pcpu:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r32pcpu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r32pcpu:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:mitsubishielectric:r32pcpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 25 OR cpe:2.3:h:mitsubishielectric:r32pcpu:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r120pcpu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r120pcpu:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:mitsubishielectric:r120pcpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 25 OR cpe:2.3:h:mitsubishielectric:r120pcpu:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r08psfcpu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r08psfcpu:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:mitsubishielectric:r08psfcpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 06 OR cpe:2.3:h:mitsubishielectric:r08psfcpu:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r16psfcpu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r16psfcpu:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:mitsubishielectric:r16psfcpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 06 OR cpe:2.3:h:mitsubishielectric:r16psfcpu:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r32psfcpu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r32psfcpu:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:mitsubishielectric:r32psfcpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 06 OR cpe:2.3:h:mitsubishielectric:r32psfcpu:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r120psfcpu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r120psfcpu:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:mitsubishielectric:r120psfcpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 06 OR cpe:2.3:h:mitsubishielectric:r120psfcpu:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:rj71c24-r2_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:rj71c24-r2:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:mitsubishielectric:rj71c24-r2_firmware:*:*:*:*:*:*:*:* versions up to (including) 47 OR cpe:2.3:h:mitsubishielectric:rj71c24-r2:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:rj71c24-r4_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:rj71c24-r4:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:mitsubishielectric:rj71c24-r4_firmware:*:*:*:*:*:*:*:* versions up to (including) 47 OR cpe:2.3:h:mitsubishielectric:rj71c24-r4:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:rj71gn11-t2_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:rj71gn11-t2:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:mitsubishielectric:rj71gn11-t2_firmware:*:*:*:*:*:*:*:* versions up to (including) 11 OR cpe:2.3:h:mitsubishielectric:rj71gn11-t2:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 17, 2021
Action Type Old Value New Value Changed Description Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series modules (R00/01/02CPU firmware version '19' and earlier, R04/08/16/32/120 (EN) CPU firmware version '51' and earlier, R08/16/32/120SFCPU firmware version '22' and earlier, R08/16/32/120PCPU all versions, R08/16/32/120PSFCPU all versions, RJ71EN71 firmware version '47' and earlier, RJ71GF11-T2 firmware version '47' and earlier, RJ72GF15-T2 firmware version '07' and earlier, RJ71GP21-SX firmware version '47' and earlier, RJ71GP21S-SX firmware version '47' and earlier, RJ71C24 (-R2/R4) all versions, and RJ71GN11-T2 all versions) allows a remote unauthenticated attacker to cause an error in a CPU unit and cause a denial-of-service (DoS) condition in execution of the program and its communication, or to cause a denial-of-service (DoS) condition in communication via the module by a specially crafted SLMP packet Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series modules (R00/01/02CPU firmware version '19' and earlier, R04/08/16/32/120 (EN) CPU firmware version '51' and earlier, R08/16/32/120SFCPU firmware version '22' and earlier, R08/16/32/120PCPU firmware version '25' and earlier, R08/16/32/120PSFCPU firmware version '06' and earlier, RJ71EN71 firmware version '47' and earlier, RJ71GF11-T2 firmware version '47' and earlier, RJ72GF15-T2 firmware version '07' and earlier, RJ71GP21-SX firmware version '47' and earlier, RJ71GP21S-SX firmware version '47' and earlier, and RJ71GN11-T2 firmware version '11' and earlier) allows a remote unauthenticated attacker to cause an error in a CPU unit and cause a denial-of-service (DoS) condition in execution of the program and its communication, or to cause a denial-of-service (DoS) condition in communication via the unit by receiving a specially crafted SLMP packet -
Initial Analysis by [email protected]
Dec. 08, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://jvn.jp/vu/JVNVU95980140/index.html No Types Assigned https://jvn.jp/vu/JVNVU95980140/index.html Third Party Advisory Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-20-324-05 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-20-324-05 Third Party Advisory, US Government Resource Changed Reference Type https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-016.pdf No Types Assigned https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-016.pdf Vendor Advisory Changed Reference Type https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-016_en.pdf No Types Assigned https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-016_en.pdf Vendor Advisory Added CWE NIST CWE-400 Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r00cpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 19 OR cpe:2.3:h:mitsubishielectric:r00cpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r01cpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 19 OR cpe:2.3:h:mitsubishielectric:r01cpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r02cpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 19 OR cpe:2.3:h:mitsubishielectric:r02cpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r04cpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 51 OR cpe:2.3:h:mitsubishielectric:r04cpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r08cpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 51 OR cpe:2.3:h:mitsubishielectric:r08cpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r16cpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 51 OR cpe:2.3:h:mitsubishielectric:r16cpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r32cpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 51 OR cpe:2.3:h:mitsubishielectric:r32cpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r120cpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 51 OR cpe:2.3:h:mitsubishielectric:r120cpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r08sfcpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 22 OR cpe:2.3:h:mitsubishielectric:r08sfcpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r16sfcpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 22 OR cpe:2.3:h:mitsubishielectric:r16sfcpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r32sfcpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 22 OR cpe:2.3:h:mitsubishielectric:r32sfcpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r120sfcpu_firmware:*:*:*:*:*:*:*:* versions up to (including) 22 OR cpe:2.3:h:mitsubishielectric:r120sfcpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r08pcpu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r08pcpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r16pcpu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r16pcpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r32pcpu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r32pcpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r120pcpu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r120pcpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r08psfcpu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r08psfcpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r16psfcpu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r16psfcpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r32psfcpu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r32psfcpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:r120psfcpu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:r120psfcpu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:rj71en71_firmware:*:*:*:*:*:*:*:* versions up to (including) 47 OR cpe:2.3:h:mitsubishielectric:rj71en71:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:rj71gf11-t2_firmware:*:*:*:*:*:*:*:* versions up to (including) 47 OR cpe:2.3:h:mitsubishielectric:rj71gf11-t2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:rj72gf15-t2_firmware:*:*:*:*:*:*:*:* versions up to (including) 07 OR cpe:2.3:h:mitsubishielectric:rj72gf15-t2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:rj71gp21-sx_firmware:*:*:*:*:*:*:*:* versions up to (including) 47 OR cpe:2.3:h:mitsubishielectric:rj71gp21-sx:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:rj71gp21s-sx_firmware:*:*:*:*:*:*:*:* versions up to (including) 47 OR cpe:2.3:h:mitsubishielectric:rj71gp21s-sx:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:rj71c24-r2_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:rj71c24-r2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:rj71c24-r4_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:rj71c24-r4:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:rj71gn11-t2_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:mitsubishielectric:rj71gn11-t2:-:*:*:*:*:*:*:*
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-2020-5668 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-2020-5668
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.72 }} 0.08%
score
0.88115
percentile
CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability