Vulnerability Monitor

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CVE-2021-22731


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.


Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 32 products from schneider-electric, from schneider-electric, from schneider-electric and 29 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2021-05-26T20:15:08.927

Last Modified

2024-11-21T05:50:33.060

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Secondary
    CWE-640

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System schneider-electric mcsesp083f23g0_firmware < 8.22 Yes
Hardware schneider-electric mcsesp083f23g0 - No
Operating System schneider-electric mcsesp083f23g0t_firmware < 8.22 Yes
Hardware schneider-electric mcsesp083f23g0t - No
Operating System schneider-electric mcsesm043f23f0_firmware < 8.22 Yes
Hardware schneider-electric mcsesm043f23f0 - No
Operating System schneider-electric mcsesm053f1cu0_firmware < 8.22 Yes
Hardware schneider-electric mcsesm053f1cu0 - No
Operating System schneider-electric mcsesm063f2cu0_firmware < 8.22 Yes
Hardware schneider-electric mcsesm063f2cu0 - No
Operating System schneider-electric mcsesm053f1cs0_firmware < 8.22 Yes
Hardware schneider-electric mcsesm053f1cs0 - No
Operating System schneider-electric mcsesm063f2cs0_firmware < 8.22 Yes
Hardware schneider-electric mcsesm063f2cs0 - No
Operating System schneider-electric mcsesm083f23f0_firmware < 8.22 Yes
Hardware schneider-electric mcsesm083f23f0 - No
Operating System schneider-electric mcsesm103f2cu0_firmware < 8.22 Yes
Hardware schneider-electric mcsesm103f2cu0 - No
Operating System schneider-electric mcsesm083f23f0h_firmware < 8.22 Yes
Hardware schneider-electric mcsesm083f23f0h - No
Operating System schneider-electric mcsesm103f2cu0h_firmware < 8.22 Yes
Hardware schneider-electric mcsesm103f2cu0h - No
Operating System schneider-electric mcsesm103f2cs0h_firmware < 8.22 Yes
Hardware schneider-electric mcsesm103f2cs0h - No
Operating System schneider-electric mcsesm123f2lg0_firmware < 8.22 Yes
Hardware schneider-electric mcsesm123f2lg0 - No
Operating System schneider-electric mcsesm093f1cu0_firmware < 8.22 Yes
Hardware schneider-electric mcsesm093f1cu0 - No
Operating System schneider-electric mcsesm093f1cs0_firmware < 8.22 Yes
Hardware schneider-electric mcsesm093f1cs0 - No
Operating System schneider-electric mcsesm103f2cs0_firmware < 8.22 Yes
Hardware schneider-electric mcsesm103f2cs0 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For schneider-electric's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.