CVEvulnerability
CVE-2021-3639
6.1 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-08-22
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-601
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.
Affected configurations
• uninett mod auth mellon (< 0.18.0)
Related
Weakness · CWE (1)
- CWE-601 URL Redirection to Untrusted Site weakness
References
- https://access.redhat.com/security/cve/CVE-2021-3639 Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1980648 Issue Tracking, Third Party Advisory
- https://github.com/latchset/mod_auth_mellon/commit/42a11261b9dad2e48d70bdff7c53dd57a12db6f5 Patch, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-3639 Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1980648 Issue Tracking, Third Party Advisory
- https://github.com/latchset/mod_auth_mellon/commit/42a11261b9dad2e48d70bdff7c53dd57a12db6f5 Patch, Third Party Advisory