CVE-2021-20213
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
0.0080
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
- 🇪🇺 ENISA EUVD: EUVD-2021-7656
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.