Cyber Resilience

CVE-2021-46784

Medium

Published: 17 July 2022

Published
17 July 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.1636 95.0th percentile
Risk Priority 23 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-46784 is a medium-severity Reachable Assertion (CWE-617) vulnerability in Squid-Cache Squid. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 5.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses.

CWE(s)

Related Threats

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

Affected Assets

squid-cache
squid
3.0 — 3.5.28 · 4.0 — 4.17 · 5.0 — 5.6
debian
debian linux
10.0, 11.0, 12.0

Mitigating Controls

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

References