VULNERABILITY INTELLIGENCE

CVE-2021-28652

CVSS score4.9 MEDIUM
EPSS probability4.34%
CISA KEVNot currently listed
Published2021-05-27
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Description

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to incorrect parser validation, it allows a Denial of Service attack against the Cache Manager API. This allows a trusted client to trigger memory leaks that. over time, lead to a Denial of Service via an unspecified short query string. This attack is limited to clients with Cache Manager API access privilege.

Weakness classification

  • nvd@nist.gov: CWE-401

Primary references