CVE-2021-3461: redhat keycloak Insufficient Session Expiration
CVSS: 7.1v3.1HighModified
AliasesGHSA-cm29-6wx7-p874
Published 01-04-2022Last modified 03-08-2024
Vulnerability summary
CVE-2021-3461 is a high (CVSS 7.1) Insufficient Session Expiration vulnerability in redhat keycloak. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 20.9% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (NVD)EPSS score
0.30%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3Timeline
- 01-04-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A flaw was found in keycloak where keycloak may fail to logout user session if the logout request comes from external SAML identity provider and Principal Type is set to Attribute [Name].
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.1Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:NSourcesAll 2 agree
- OSV · MavenEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Low 3.3Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
0.00 pp
From 0.30% on 18-09-2026
18-09-202618-10-2026
EPSS score0.30%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat2 products
- keycloak9.0.13
- single_sign-on7.0 | 7.4 | 7.4.7
Org.keycloak1 product
- keycloak-parent< 14.0.0
2 vendors · 3 products
References
3 links- bugzilla.redhat.com/show_bug.cgi?id=1941565X Refsource MISCWEBIssue TrackingPatchThird Party Advisory