CVE-2017-12159

mediumpriority · track · 31EPSS 0.027 · 86 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.71% (86th) EPSS

CVSS 5 · medium

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · OSV

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-613USprimaryCWE-613US

affected products (5)

Products and version ranges known to be affected.

Red Hat, Inc. KeyCloak≤ 3.4.0enisa_euvdEU
keycloak keycloakall versionsnvdUScpe:2.3:a:keycloak:keycloak:*:*:*:*:*:*:*:*
redhat single sign on= 7.0nvdUScpe:2.3:a:redhat:single_sign_on:*:*:*:*:*:*:*:*
redhat single sign on= 7.1nvdUScpe:2.3:a:redhat:single_sign_on:*:*:*:*:*:*:*:*
Maven org.keycloak:keycloak-parent< 3.4.0osvUSpkg:maven/org.keycloak/keycloak-parent

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-7fmw-85qm-h22pKeycloak CSRF Vulnerability2022-05-13ghsa · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2017-10-26modified 2026-06-17

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+728 more

references (15)

External citations — patches, advisories, analysis.

scry

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