CVE & CISA-KEV Catalog

CVE-2021-22731

CRITICAL
9.8
CVSS v3
NVD

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.

CWE-640

How to fix

Remediation Available
mcsesm043f23f0 firmwareNVD
Affected:< 8.22Fixed in:8.22CVE-2021-22731derived from NVD
mcsesm053f1cs0 firmwareNVD
Affected:< 8.22Fixed in:8.22CVE-2021-22731derived from NVD
mcsesm053f1cu0 firmwareNVD
Affected:< 8.22Fixed in:8.22CVE-2021-22731derived from NVD
mcsesm063f2cs0 firmwareNVD
Affected:< 8.22Fixed in:8.22CVE-2021-22731derived from NVD
mcsesm063f2cu0 firmwareNVD
Affected:< 8.22Fixed in:8.22CVE-2021-22731derived from NVD
mcsesm083f23f0 firmwareNVD
Affected:< 8.22Fixed in:8.22CVE-2021-22731derived from NVD
mcsesm083f23f0h firmwareNVD
Affected:< 8.22Fixed in:8.22CVE-2021-22731derived from NVD
mcsesm093f1cs0 firmwareNVD
Affected:< 8.22Fixed in:8.22CVE-2021-22731derived from NVD
mcsesm093f1cu0 firmwareNVD
Affected:< 8.22Fixed in:8.22CVE-2021-22731derived from NVD
mcsesm103f2cs0 firmwareNVD
Affected:< 8.22Fixed in:8.22CVE-2021-22731derived from NVD
mcsesm103f2cs0h firmwareNVD
Affected:< 8.22Fixed in:8.22CVE-2021-22731derived from NVD
mcsesm103f2cu0 firmwareNVD
Affected:< 8.22Fixed in:8.22CVE-2021-22731derived from NVD
mcsesm103f2cu0h firmwareNVD
Affected:< 8.22Fixed in:8.22CVE-2021-22731derived from NVD
mcsesm123f2lg0 firmwareNVD
Affected:< 8.22Fixed in:8.22CVE-2021-22731derived from NVD
mcsesp083f23g0 firmwareNVD
Affected:< 8.22Fixed in:8.22CVE-2021-22731derived from NVD
mcsesp083f23g0t firmwareNVD
Affected:< 8.22Fixed in:8.22CVE-2021-22731derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.40%probability of exploitation in 30 days
69thpercentile

Moderate risk: more likely to be exploited than 69% of all known CVEs.

References

Embed a live status badge for CVE-2021-22731
CVE-2021-22731 severity badge

Markdown

[![CVE-2021-22731](https://tridentstack.com/cve/badge/CVE-2021-22731.svg)](https://tridentstack.com/cve/CVE-2021-22731)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-22731"><img src="https://tridentstack.com/cve/badge/CVE-2021-22731.svg" alt="CVE-2021-22731"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.