Is CVE-2021-3185 in the CISA KEV catalog?

No. CVE-2021-3185 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-3185?

CVE-2021-3185 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-3185?

CVE-2021-3185 has an EPSS score of 2.38% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-3185?

Upgrade gst-plugins-bad1.0 on debian 11 to 1.18.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2021-3185

CRITICALEPSS 82th pctl

9.8

CVSS v3

NVD

Description

A flaw was found in the gstreamer h264 component of gst-plugins-bad before v1.18.1 where when parsing a h264 header, an attacker could cause the stack to be smashed, memory corruption and possibly code execution.

CWE-120Classic Buffer Overflow CWE-787Out-of-bounds Write

How to fix

Remediation Available

gst-plugins-bad1.0Debian

Fixed in:1.18.1-1CVE-2021-3185

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

2.38%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Patch1

bugzilla.redhat.com

Third-Party Advisory1

security.gentoo.org

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0195	Medium	6.8	100%	-	Fix
CVE-2017-7269	Critical	9.8	100%	KEV	-
CVE-2019-11043	High	8.7	99%	KEV + Ransom	Fix
CVE-2011-4862	High	10.0	95%	-	Fix
CVE-2007-5659	High	7.8	94%	KEV	Fix
CVE-2022-3786	High	7.5	91%	-	Fix

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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.