VULNERABILITY INTELLIGENCE

CVE-2021-3639

CVSS score6.1 MEDIUM
EPSS probability1.03%
CISA KEVNot currently listed
Published2022-08-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

A flaw was found in mod_auth_mellon where it does not sanitize logout URLs properly. This issue could be used by an attacker to facilitate phishing attacks by tricking users into visiting a trusted web application URL that redirects to an external and potentially malicious server. The highest threat from this liability is to confidentiality and integrity.

Weakness classification

  • secalert@redhat.com: CWE-601
  • nvd@nist.gov: CWE-601

Primary references