CVE-2021-3639

MEDIUM

mod_auth_mellon < 0.18.0 - Open Redirect via Unsanitized Logout URL

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1980648
Patch, Third Party Advisory x_refsource_misc
https://access.redhat.com/security/cve/CVE-2021-3639

Scores

CVSS v3 6.1
EPSS 0.0073
EPSS Percentile 49.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-601
Status published
Products (1)
uninett/mod_auth_mellon < 0.18.0
Published Aug 22, 2022
Tracked Since Feb 18, 2026