CVE-2025-27820
HIGHApache HttpClient 5.4-5.4.2 - Improper Certificate Validation in PSL Domain Check Logic
Title source: llmDescription
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)
Core 5
Core References
Third Party Advisory
https://security.netapp.com/advisory/ntap-20250516-0003/
Issue Tracking, Patch patch
https://github.com/apache/httpcomponents-client/pull/574
Issue Tracking, Patch patch
https://github.com/apache/httpcomponents-client/pull/621
Product product
https://hc.apache.org/httpcomponents-client-5.4.x/index.html
Mailing List, Patch vendor-advisory
https://lists.apache.org/thread/55xhs40ncqv97qvoocok44995xp5kqn8
Scores
CVSS v3
7.5
EPSS
0.0071
EPSS Percentile
48.5%
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