Cyber Resilience

CVE-2021-20212

High

Published: 25 March 2021

Published
25 March 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0070 72.4th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-20212 is a high-severity Missing Release of Memory after Effective Lifetime (CWE-401) vulnerability in Privoxy Privoxy. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 27.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A flaw was found in Privoxy in versions before 3.0.29. Memory leak if multiple filters are executed and the last one is skipped due to a pcre error leading to a system crash.

CWE(s)
CWE-401

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

privoxy
privoxy
≤ 3.0.29

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References