MEDIUM 6.1 Microsoft

CVE-2021-3639

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.

Microsoft Security Update 2022-Aug: 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.

Affected Products

References

Published: 2022-08-09 · Source: Microsoft · Feed updated: 2026-09-03
This medium severity vulnerability with a CVSS score of 6.1 was published on 2022-08-09 via Microsoft. Affected: cbl2 mod_auth_mellon 0.16.0-4 on CBL Mariner 2.0.
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