Origin validation error in Jenkins SAML Single Sign On Plugin
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-346.
Summary
Jenkins SAML Single Sign On(SSO) Plugin 2.0.2 and earlier does not perform hostname validation when connecting to miniOrange or the configured IdP to retrieve SAML metadata, which could be abused using a man-in-the-middle attack to intercept these connections.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Jenkins | Jenkins SAML Single Sign On(SSO) Plugin | up to 2.0.2 | — | No fix listed | CNA |
| — | io.jenkins.plugins:miniorange-saml-sp (Maven) | before 2.1.0 | 2.1.0 | Patch available | GHSA-6v6h-rw43-97fh |
- Jenkins SAML Single Sign On(SSO) Plugin VendorJenkins Affected up to 2.0.2 Fixed in — No fix listed CNA
- io.jenkins.plugins:miniorange-saml-sp (Maven) Vendor— Affected before 2.1.0 Fixed in 2.1.0 Patch available GHSA-6v6h-rw43-97fh
Remediation
- Fix · GHSA-6v6h-rw43-97fh io.jenkins.plugins:miniorange-saml-sp (Maven) Fixed in 2.1.0 Advisory →
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Jenkins SAML Single Sign On(SSO) Plugin — Jenkins Security Advisory 2023-05-16
6 records Highest priority Priority MEDIUM 3 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2023-16180 Incorrect permission assignment in Jenkins SAML Single Sign On PluginPriority MEDIUM 42
- TI-2023-16179 Cross-site request forgery in Jenkins SAML Single Sign On PluginPriority MEDIUM 41
- TI-2023-16183 Cross-site request forgery in Jenkins SAML Single Sign On PluginPriority MEDIUM 40
Timeline
- 2026-10-02 Threatist record created from CVE-2023-32993
- 2026-10-03 Alias added: GHSA-6v6h-rw43-97fh
References
More Jenkins Saml Single Sign On vulnerabilities
- TI-2023-16180 Incorrect permission assignment in Jenkins SAML Single Sign On Plugin CVSS 3.1HIGH 8.8
- TI-2023-16179 Cross-site request forgery in Jenkins SAML Single Sign On Plugin CVSS 3.1HIGH 8.8
- TI-2023-16183 Cross-site request forgery in Jenkins SAML Single Sign On Plugin CVSS 3.1HIGH 8.8
- TI-2023-19377 Missing authorization in Jenkins SAML Single Sign On Plugin CVSS 3.1MEDIUM 4.3
- TI-2023-16182 Improper certificate validation in Jenkins SAML Single Sign On Plugin CVSS 3.1LOW 3.7
Sources
- CVE-2023-32993 · CVE Program
- CVE-2023-32993 · NVD
- FIRST EPSS
- GHSA-6v6h-rw43-97fh · GitHub Advisory Database · CC BY 4.0
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