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Fencer Vulns
medium 5.3

CVE-2025-22234 json

Spring Security - BCrypt Password Encoder maximum password length breaks timing attack mitigation

published 2026-01-22 9 mo ago modified 2026-06-17 4 mo ago also GHSA-vqxh-445g-37fc , EUVD-2026-3787

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

The fix applied in CVE-2025-22228 inadvertently broke the timing attack mitigation implemented in DaoAuthenticationProvider. This can allow attackers to infer valid usernames or other authentication behavior via response-time differences under certain configurations.

Patch / fix

  • maven org.springframework.security:spring-security-core 6.3.9, 6.4.5

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-2025-22234 updated cvss 5.3

org.springframework.security/spring-security-core: Spring Security - BCrypt Password Encoder maximum password length breaks timing attack mitigation

  • Red Hat OpenShift Developer Tools and Services ocp-tools-4/jenkins-rhel8, ocp-tools-4/jenkins-rhel9 Red Hat build of Apache Camel - HawtIO 4 spring-security-core Red Hat build of Apache Camel for Spring Boot 4 spring-security-core Red Hat Data Grid 8 spring-security-core Red Hat Fuse 7 spring-security-core Red Hat JBoss Enterprise Application Platform 7 spring-security-core
    +5 more products
    Red Hat JBoss Enterprise Application Platform 8 spring-security-core Red Hat JBoss Enterprise Application Platform Expansion Pack spring-security-core Red Hat OpenShift Dev Spaces devspaces/openvsx-rhel9, devspaces/pluginregistry-rhel9 Red Hat Process Automation 7 spring-security-core Red Hat Single Sign-On 7 spring-security-core
    affected: workaround, no fix available “Fix deferred”

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

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
9 mo ago

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
maven org.springframework.security:spring-security-core
>=6.3.8, <6.3.9
>=6.4.4, <6.4.5
6.3.9
6.4.5

Affected products

  • Spring Spring Security

Classification

Weakness
  • CWE-208 Observable Timing Discrepancy
Technology feeds

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.