Critical severity9.8NVD Advisory· Published May 28, 2021· Updated Jun 17, 2026
CVE-2020-27847
CVE-2020-27847
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/dexidp/dexGo | < 2.27.0 | 2.27.0 |
Affected products
8- github.com/dexidp/dexdescription
- osv-coords7 versionspkg:apk/chainguard/kotspkg:apk/chainguard/kots-compatpkg:apk/chainguard/kots-symlink-compatpkg:apk/wolfi/kotspkg:apk/wolfi/kots-compatpkg:apk/wolfi/kots-symlink-compatpkg:golang/github.com/dexidp/dex
< 0+ 6 more
- (no CPE)range: < 0
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- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 2.27.0
Patches
Vulnerability mechanics
References
6- github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5nvdPatchThird Party AdvisoryWEB
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party AdvisoryWEB
- github.com/advisories/GHSA-2x32-jm95-2cpxghsaADVISORY
- mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/nvdVendor Advisory
- nvd.nist.gov/vuln/detail/CVE-2020-27847ghsaADVISORY
- mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilitiesghsaWEB
News mentions
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