CVE-2025-27820

HIGH

Apache Httpclient < 5.4.3 - Improper Certificate Validation

Title source: rule
STIX 2.1

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

References (5)

Scores

CVSS v3 7.5
EPSS 0.0033
EPSS Percentile 55.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-295
Status published
Products (3)
apache/httpclient 5.4 - 5.4.3
netapp/ontap_tools 10
org.apache.httpcomponents.client5/httpclient5 5.4-alpha1 - 5.4.3Maven
Published Apr 24, 2025
Tracked Since Feb 18, 2026