Auth bypass in Crewjam Saml
CVE-2022-41912
The crewjam/saml go library prior to version 0.4.9 is vulnerable to an authentication bypass when processing SAML responses containing multiple Assertion elements. This issue has been corrected in version 0.4.9. There are no workarounds other than upgrading to a fixed version.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.023 (82.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.023 · change: +0.001
Affected products
- Crewjam Saml — versions < 0.4.9
- Saml Project
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/crewjam/saml/security/advisories/GHSA-j2jp-wvqg-wc2g (Third Party Advisory)
- github.com/crewjam/saml/commit/aee3fb1edeeaf1088fcb458727e0fd863d277f8b (Patch, Third Party Advisory)
- packetstormsecurity.com/files/170356/crewjam-saml-Signature-Bypass.html (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-41912?
- CVE-2022-41912 is a critical-severity vulnerability in Crewjam Saml, classified under Improper Authentication. CVSS score: 9.1/10. Published 2022-11-28.
- How severe is CVE-2022-41912?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2022-41912 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.