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CVE-2019-14910

29
FAUCET Score

CVE-2019-14910 describes a critical authentication bypass vulnerability in Red Hat Keycloak 7.x when configured with LDAP user federation using StartTLS instead of LDAPS. This flaw allows user authentication to succeed even with an invalid password, leading to full compromise of confidentiality, integrity, and availability. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network without authentication or user interaction. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
7.0.0CPE matchmatch criteria
cpe:2.3:a:redhat:keycloak:7.0.0:*:*:*:*:*:*:*
7.0.1CPE matchmatch criteria
cpe:2.3:a:redhat:keycloak:7.0.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.3CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
4.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.05%
Probability of exploitation in next 30 days
EPSS Percentile
60.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0105 is in the 46th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

redhatworkaround availablevia nvd_reference
View patch

Vendor Advisories (2)

mavenGHSA-jf86-9434-f8c2critical

Keycloak Authentication Error

May 24, 2022
redhatCVE-2019-14910Important

Keycloak: LDAP authentication accepts invalid passwords when using StartTLS

Dec 3, 2019

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingMitigationVendor Advisory