9.8
CRITICAL
CVE-2020-7533
Modicon Web Server Unauthorized Command Execution
Description

A CWE-255: Credentials Management vulnerability exists in Web Server on Modicon M340, Modicon Quantum and ModiconPremium Legacy offers and their Communication Modules (see security notification for version information) which could cause the execution of commands on the webserver without authentication when sending specially crafted HTTP requests.

INFO

Published Date :

Dec. 1, 2020, 3:15 p.m.

Last Modified :

April 10, 2024, 12:28 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-7533 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 Schneider-electric bmxnoe0100_firmware
2 Schneider-electric bmxnoe0110_firmware
3 Schneider-electric 140noe77111_firmware
4 Schneider-electric 140noc78000_firmware
5 Schneider-electric 140noc77101_firmware
6 Schneider-electric tsxp574634_firmware
7 Schneider-electric tsxp575634_firmware
8 Schneider-electric tsxp576634_firmware
9 Schneider-electric tsxety4103_firmware
10 Schneider-electric tsxety5103_firmware
11 Schneider-electric bmxnoc0401_firmware
12 Schneider-electric modicon_m340_bmxp341000_firmware
13 Schneider-electric modicon_m340_bmxp342000_firmware
14 Schneider-electric modicon_m340_bmxp3420102_firmware
15 Schneider-electric modicon_m340_bmxp3420302_firmware
16 Schneider-electric 140cpu65260_firmware
17 Schneider-electric modicon_m340_bmxp341000
18 Schneider-electric bmxnoc0401
19 Schneider-electric bmxnoe0100
20 Schneider-electric bmxnoe0110
21 Schneider-electric modicon_m340_bmxp3420302
22 Schneider-electric modicon_m340_bmxp342000
23 Schneider-electric modicon_m340_bmxp3420102
24 Schneider-electric 140cpu65260
25 Schneider-electric tsxp574634
26 Schneider-electric tsxp575634
27 Schneider-electric tsxp576634
28 Schneider-electric tsxety4103
29 Schneider-electric tsxety5103
30 Schneider-electric 140noe77111
31 Schneider-electric 140noc78000
32 Schneider-electric 140noc77101
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-2020-7533.

URL Resource
https://www.se.com/ww/en/download/document/SEVD-2020-287-01/ 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-2020-7533 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-7533 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
  • Reanalysis by [email protected]

    Apr. 25, 2022

    Action Type Old Value New Value
    Added CWE NIST NVD-CWE-noinfo
  • Initial Analysis by [email protected]

    Dec. 07, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.se.com/ww/en/download/document/SEVD-2020-287-01/ No Types Assigned https://www.se.com/ww/en/download/document/SEVD-2020-287-01/ Vendor Advisory
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:bmxp3420302_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.20 OR cpe:2.3:h:schneider-electric:bmxp3420302:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:bmxp342000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.20 OR cpe:2.3:h:schneider-electric:bmxp342000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:bmxp341000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.20 OR cpe:2.3:h:schneider-electric:bmxp341000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:bmxp3420102_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.20 OR cpe:2.3:h:schneider-electric:bmxp3420102:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:bmxp3420302_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.20 OR cpe:2.3:h:schneider-electric:bmxp3420302:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:bmxnoe0100_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.3 OR cpe:2.3:h:schneider-electric:bmxnoe0100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:bmxnoe0110_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 6.5 OR cpe:2.3:h:schneider-electric:bmxnoe0110:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:bmxnoc0401_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.10 OR cpe:2.3:h:schneider-electric:bmxnoc0401:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:tsxp574634_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 6.1 OR cpe:2.3:h:schneider-electric:tsxp574634:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:tsxp575634_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 6.1 OR cpe:2.3:h:schneider-electric:tsxp575634:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:tsxp576634_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 6.1 OR cpe:2.3:h:schneider-electric:tsxp576634:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:tsxety4103_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 6.2 OR cpe:2.3:h:schneider-electric:tsxety4103:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:tsxety5103_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 6.4 OR cpe:2.3:h:schneider-electric:tsxety5103:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:140noe77111_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 7.1 OR cpe:2.3:h:schneider-electric:140noe77111:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:140noc78000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.74 OR cpe:2.3:h:schneider-electric:140noc78000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:140noc77101_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.08 OR cpe:2.3:h:schneider-electric:140noc77101:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:140cpu65260_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 6.1 OR cpe:2.3:h:schneider-electric:140cpu65260:-:*:*:*:*:*:*:*
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-2020-7533 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-2020-7533 weaknesses.

Exploit Prediction

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

0.23 }} 0.07%

score

0.60665

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
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