Vulnerability Description
A vulnerability exists in the SAML connector of the github.com/dexidp/dex library used to process SAML Signature Validation. This flaw allows an attacker to bypass SAML authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. This flaw affects dex versions before 2.27.0.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linuxfoundation | Dex | < 2.27.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1907732Issue TrackingThird Party Advisory
- https://github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5PatchThird Party Advisory
- https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1907732Issue TrackingThird Party Advisory
- https://github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5PatchThird Party Advisory
- https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/Vendor Advisory
FAQ
What is CVE-2020-27847?
CVE-2020-27847 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A vulnerability exists in the SAML connector of the github.com/dexidp/dex library used to process SAML Signature Validation. This flaw allows an attacker to bypass SAML authentication. The highest thr...
How severe is CVE-2020-27847?
CVE-2020-27847 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-27847?
Check the references section above for vendor advisories and patch information. Affected products include: Linuxfoundation Dex.