7.5

CVE-2017-12159: keycloak

Modified
AliasesCGA-3p9v-jqjw-54v9CGA-6fpr-pfgf-q56vCGA-fmq5-w34x-7m79
Published 26-10-2017Last modified 16-09-2024

Vulnerability summary

CVE-2017-12159 is a high (CVSS 7.5) vulnerability in keycloak. EPSS estimates a 2.71% chance of exploitation in the next 30 days, higher than 86% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
2.71%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2
RHSA-2017:2904RHSA-2017:2905CGA-42X2-4C5W-FVG6CGA-MRV4-CCRX-M6PR

Timeline

  1. 26-10-2017
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session. An attacker could use this flaw to gain access to an authenticated user session, leading to possible information disclosure or further attacks.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.71%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.71% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard7 products
  • keycloakAll versions (No fix recorded)
  • keycloak-26.2All versions (No fix recorded)
  • keycloak-26.4All versions (No fix recorded)
  • keycloak-26.5All versions (No fix recorded)
  • keycloak-26.6All versions (No fix recorded)
Wolfi4 products
  • keycloakAll versions (No fix recorded)
  • keycloak-26.4All versions (No fix recorded)
  • keycloak-26.5All versions (No fix recorded)
  • keycloak-26.6All versions (No fix recorded)
Keycloak1 product
Org.keycloak1 product
  • keycloak-parent< 3.4.0
Red hat, inc.1 product
Redhat1 product

6 vendors · 15 products

References

7 links