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Fencer Intel
critical 9.3

CVE-2019-14910 json

Keycloak Authentication Error

published 6y ago modified 4mo ago also GHSA-jf86-9434-f8c2 , EUVD-2022-4341

cvss
9.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

A vulnerability was found in keycloak 7.x, when keycloak is configured with LDAP user federation and StartTLS is used instead of SSL/TLS from the LDAP server (ldaps), in this case user authentication succeeds even if invalid password has entered.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-14910 updated cvss 9.3

Keycloak: LDAP authentication accepts invalid passwords when using StartTLS

  • Red Hat Single Sign-On 7 rh-sso7-keycloak rh-sso7-keycloak
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 9.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
maven org.keycloak:keycloak-parent
>=7.0.0, <=7.0.1
 no fix listed

Affected products

  • n/a Keycloak

Classification

Weakness
  • CWE-287 Improper Authentication
  • CWE-305 Authentication Bypass by Primary Weakness
  • CWE-592 DEPRECATED: Authentication Bypass Issues
  • CWE-295 Improper Certificate Validation
  • CWE-278 Insecure Preserved Inherited Permissions

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.