CVE-2023-6484: keycloak-services Maven Improper Output Neutralization for Logs
CVSS: 5.3v3.1MediumDeferred
AliasesGHSA-j628-q885-8gr5
Published 25-04-2024Last modified 26-06-2026
Vulnerability summary
CVE-2023-6484 is a medium (CVSS 5.3) Improper Output Neutralization for Logs vulnerability in keycloak-services Maven. EPSS estimates a 1.01% chance of exploitation in the next 30 days, higher than 62.4% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)EPSS score
1.01%
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 6Timeline
- 25-04-2024PublishedVulnerability first disclosed.
- 26-06-2026Last modifiedVulnerability information updated.
Description
A log injection flaw was found in Keycloak. A text string may be injected through the authentication form when using the WebAuthn authentication mode. This issue may have a minor impact to the logs integrity.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 5.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NSourcesAll 3 agree
- OSV · MavenEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS trend
Probability
1.01%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
0.00 pp
From 1.01% on 19-09-2026
19-09-202619-10-2026
EPSS score1.01%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Org.keycloak1 product
- keycloak-services< 22.0.9 | ≥ 23.0.0, < 23.0.5
1 vendor · 1 product
References
22 linksShow all 22 references
- github.com/keycloak/keycloakPACKAGE