Is CVE-2022-21831 in the CISA KEV catalog?

No. CVE-2022-21831 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-21831?

CVE-2022-21831 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2022-21831?

CVE-2022-21831 has an EPSS score of 2.74% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-21831?

Upgrade rails on debian 11 to 2:6.0.3.7+dfsg-2+deb11u1 or later.

CVE & CISA-KEV Catalog

CVE-2022-21831

CRITICALEPSS 84th pctl

9.8

CVSS v3

NVD

Description

A code injection vulnerability exists in the Active Storage >= v5.2.0 that could allow an attacker to execute code via image_processing arguments.

CWE-94Code Injection

How to fix

Remediation Available

railsDebian

Fixed in:2:6.0.3.7+dfsg-2+deb11u1CVE-2022-21831

Fixed in:2:6.1.4.7+dfsg-1CVE-2022-21831

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

2.74%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory2

Other references1

debian.org

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

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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.