CVE Vulnerability

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.

6.1 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1980648 Issue Tracking Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-3639 Patch Third Party Advisory
https://github.com/latchset/mod_auth_mellon/commit/42a11261b9dad2e48d70bdff7c53dd57a12db6f5 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:uninett:mod_auth_mellon:*:*:*:*:*:*:*:*
Information

Published : 2022-08-22 03:15

Updated : 2023-02-12 11:41

NVD link : CVE-2021-3639

Mitre link : CVE-2021-3639

Products Affected
No products.
CWE
CWE-601

URL Redirection to Untrusted Site ('Open Redirect')