CVE-2025-27820 Security Details

CVE ID

CVE-2025-27820

CWE

CWE-295

CVE Description

A bug in PSL validation logic in Apache HttpClient 5.4.x disables domain checks, affecting cookie management and host name verification. Discovered by the Apache HttpClient team. Fixed in the 5.4.3 release

Published

Apr 24, 2025

CVSS Score & Severity

8.7High

CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

EPSS Score

0.071%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

org/apache/hc/client5/http/psl/PublicSuffixMatcherLoader.getDefault()Lorg/apache/hc/client5/http/psl/PublicSuffixMatcher;

JVM

Affected Ecosystems

affected

Source

National Vulnerability Database

References

GitHub · Advisory · GHSA-73m2-qfq3-56cxTHIRD_PARTY