Cyber Resilience

CVE-2021-20213

High

Published: 25 March 2021

Published
25 March 2021
Modified
21 November 2024
KEV Added
Patch
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 0.0080 74.5th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-20213 is a high-severity NULL Pointer Dereference (CWE-476) vulnerability in Privoxy Privoxy. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 25.5% 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. Dereference of a NULL-pointer that could result in a crash if accept-intercepted-requests was enabled, Privoxy failed to get the request destination from the Host header and a memory allocation failed.

CWE(s)

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