CVE-2018-14637: redhat keycloak Improper Authorization
CVSS: 8.1v3.0HighModified
AliasesGHSA-gf2j-7qwg-4f5x
Published 30-11-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-14637 is a high (CVSS 8.1) Improper Authorization vulnerability in redhat keycloak. EPSS estimates a 0.81% chance of exploitation in the next 30 days, higher than 56.2% of scored vulnerabilities.
CVSS score
8.1/10
010
High · v3.0 (NVD)EPSS score
0.81%
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 2Timeline
- 30-11-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The SAML broker consumer endpoint in Keycloak before version 4.6.0.Final ignores expiration conditions on SAML assertions. An attacker can exploit this vulnerability to perform a replay attack.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.1Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HSources3 sources · 6.1–8.1
- CVE.orgCNA6.1MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NDiffers
- OSV · MavenEcosystem advisory · calculated8.1HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.81%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
0.00 pp
From 0.81% on 19-09-2026
19-09-202619-10-2026
EPSS score0.81%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-285Improper AuthorizationThe product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
- CWE-287Improper AuthenticationWhen an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected systems
[unknown]1 product
- keycloak4.6.0.Final
Org.keycloak1 product
- keycloak-core< 4.6.0
Redhat1 product
- keycloak< 4.6.0
3 vendors · 3 products
References
3 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14637X Refsource CONFIRMIssue TrackingThird Party Advisory
