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Fencer Vulns
critical 9.3

CVE-2019-14909 json

Keycloak Authentication Error

published 2019-12-04 6 y ago modified 2026-06-17 4 mo ago also GHSA-fv4q-wm8c-wjg4 , EUVD-2022-3834

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 65%
public exploits
0
none known

Summary

A vulnerability was found in Keycloak 7.x where the user federation LDAP bind type is none (LDAP anonymous bind), any password, invalid or valid will be accepted.

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-2019-14909 updated cvss 9.3

Keycloak: LDAP authentication accepts invalid passwords with bindType none

  • 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

1.08% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

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 8.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.1 8.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

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

References

Sources

Fencer Vulns 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.