The SAML 2.0 implementation in AdNovum nevisAuth 4.13.0.0 before 4.18.3.1, when using…
Priority LOW 25CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
The SAML 2.0 implementation in AdNovum nevisAuth 4.13.0.0 before 4.18.3.1, when using SAML POST-Binding, does not match all attributes of the X.509 certificate embedded in the assertion against the certificate from the identity provider (IdP), which allows remote attackers to inject arbitrary SAML assertions via a crafted certificate.
Why it matters now
EPSS 0.00879 59th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2015-5372
- 2026-10-03 Alias added: GHSA-r97q-42f3-866f
References
Other 4
- http://packetstormsecurity.com/files/133628/nevisAuth-Authentication-Bypass.html
- 20150923 CVE-2015-5372 SAML SP Authentication Bypass in nevisAuth
- http://www.csnc.ch/misc/files/advisories/CVE-2015-5372_AdNovum_nevisAuth_Authentication_Bypass.txt
- http://blog.csnc.ch/2015/09/saml-sp-authentication-bypass-vulnerability-in-nevisauth
Sources
- CVE-2015-5372 · CVE Program
- CVE-2015-5372 · NVD
- FIRST EPSS
- GHSA-r97q-42f3-866f · GitHub Advisory Database · CC BY 4.0
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