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CVE

CVE-2020-14302

A flaw was found in Keycloak before 13.0.0 where an external identity provider, after successful authentication, redirec

A flaw was found in Keycloak before 13.0.0 where an external identity provider, after successful authentication, redirects to a Keycloak endpoint that accepts multiple invocations with the use of the same "state" parameter. This flaw allows a malicious user to perform replay attacks.

MEDIUM · CVSS 4.9 EPSS 0.00154
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-294Authentication Bypass by Capture-replay
CWE-294Authentication Bypass by Capture-replay
▤

Affected Products & Versions

1
redhat keycloak< 13.0.0
▣

Scoring & Timeline

4.9
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Dec 2020 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
⚑

Vendor Advisories

4
rhsaRHSA-2021:0974Moderate
rhsaRHSA-2021:0968Low
rhsaRHSA-2021:0969Low
rhsaRHSA-2021:0967Low
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=1849584Issue TrackingVendor Advisory
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