9.8
CRITICAL
CVE-2021-22731
Modicon Managed Switch Weak Password Recovery Clearance
Description

Weak Password Recovery Mechanism for Forgotten Password vulnerability exists on Modicon Managed Switch MCSESM* and MCSESP* V8.21 and prior which could cause an unauthorized password change through HTTP / HTTPS when basic user information is known by a remote attacker.

INFO

Published Date :

May 26, 2021, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 5:50 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-22731 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 mcsesp083f23g0_firmware
2 Schneider-electric mcsesp083f23g0t_firmware
3 Schneider-electric mcsesm043f23f0_firmware
4 Schneider-electric mcsesm053f1cu0_firmware
5 Schneider-electric mcsesm063f2cu0_firmware
6 Schneider-electric mcsesm053f1cs0_firmware
7 Schneider-electric mcsesm063f2cs0_firmware
8 Schneider-electric mcsesm083f23f0_firmware
9 Schneider-electric mcsesm103f2cu0_firmware
10 Schneider-electric mcsesm083f23f0h_firmware
11 Schneider-electric mcsesm103f2cu0h_firmware
12 Schneider-electric mcsesm103f2cs0h_firmware
13 Schneider-electric mcsesm123f2lg0_firmware
14 Schneider-electric mcsesm093f1cu0_firmware
15 Schneider-electric mcsesm093f1cs0_firmware
16 Schneider-electric mcsesm103f2cs0_firmware
17 Schneider-electric mcsesp083f23g0
18 Schneider-electric mcsesp083f23g0t
19 Schneider-electric mcsesm043f23f0
20 Schneider-electric mcsesm053f1cu0
21 Schneider-electric mcsesm063f2cu0
22 Schneider-electric mcsesm053f1cs0
23 Schneider-electric mcsesm063f2cs0
24 Schneider-electric mcsesm083f23f0
25 Schneider-electric mcsesm103f2cu0
26 Schneider-electric mcsesm083f23f0h
27 Schneider-electric mcsesm103f2cu0h
28 Schneider-electric mcsesm103f2cs0h
29 Schneider-electric mcsesm123f2lg0
30 Schneider-electric mcsesm093f1cu0
31 Schneider-electric mcsesm093f1cs0
32 Schneider-electric mcsesm103f2cs0
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-2021-22731.

URL Resource
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-01 Patch Vendor Advisory
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-01 Patch 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-2021-22731 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-22731 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-01
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Feb. 01, 2022

    Action Type Old Value New Value
    Removed CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm103f2cs0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm103f2cs0:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesp083f23g0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesp083f23g0:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:mcsesp083f23g0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schneider-electric:mcsesp083f23g0:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesp083f23g0t_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesp083f23g0t:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:mcsesp083f23g0t_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schneider-electric:mcsesp083f23g0t:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm043f23f0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm043f23f0:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:mcsesm043f23f0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schneider-electric:mcsesm043f23f0:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm053f1cu0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm053f1cu0:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:mcsesm053f1cu0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schneider-electric:mcsesm053f1cu0:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm063f2cu0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm063f2cu0:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:mcsesm063f2cu0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schneider-electric:mcsesm063f2cu0:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm053f1cs0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm053f1cs0:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:mcsesm053f1cs0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schneider-electric:mcsesm053f1cs0:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm063f2cs0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm063f2cs0:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:mcsesm063f2cs0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schneider-electric:mcsesm063f2cs0:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm083f23f0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm083f23f0:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:mcsesm083f23f0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schneider-electric:mcsesm083f23f0:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm103f2cu0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm103f2cu0:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:mcsesm103f2cu0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schneider-electric:mcsesm103f2cu0:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm083f23f0h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm083f23f0h:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:mcsesm083f23f0h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schneider-electric:mcsesm083f23f0h:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm103f2cu0h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm103f2cu0h:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:mcsesm103f2cu0h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schneider-electric:mcsesm103f2cu0h:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm103f2cs0h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm103f2cs0h:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:mcsesm103f2cs0h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schneider-electric:mcsesm103f2cs0h:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm123f2lg0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm123f2lg0:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:mcsesm123f2lg0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schneider-electric:mcsesm123f2lg0:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm093f1cu0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm093f1cu0:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:mcsesm093f1cu0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schneider-electric:mcsesm093f1cu0:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm093f1cs0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm093f1cs0:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:mcsesm093f1cs0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schneider-electric:mcsesm093f1cs0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:mcsesm103f2cs0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schneider-electric:mcsesm103f2cs0:-:*:*:*:*:*:*:*
  • Initial Analysis by [email protected]

    Jun. 04, 2021

    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://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-01 No Types Assigned https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-01 Patch, Vendor Advisory
    Added CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesp083f23g0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesp083f23g0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesp083f23g0t_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesp083f23g0t:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm043f23f0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm043f23f0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm053f1cu0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm053f1cu0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm063f2cu0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm063f2cu0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm053f1cs0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm053f1cs0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm063f2cs0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm063f2cs0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm083f23f0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm083f23f0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm103f2cu0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm103f2cu0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm103f2cs0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm103f2cs0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm083f23f0h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm083f23f0h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm103f2cu0h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm103f2cu0h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm103f2cs0h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm103f2cs0h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm123f2lg0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm123f2lg0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm093f1cu0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm093f1cu0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schenider-electric:mcsesm093f1cs0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.22 OR cpe:2.3:h:schenider-electric:mcsesm093f1cs0:-:*:*:*:*:*:*:*
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-2021-22731 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-2021-22731 weaknesses.

Exploit Prediction

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

0.71 }} 0.08%

score

0.80282

percentile

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