CVE-2025-27820

HIGH EPSS 50.1%
Published Apr 24, 20251y ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Apr 24, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
50.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-295

Affected Products 2

VendorProductVersionRange
apachehttpclient*≥5.4  –  <5.4.3
netappontap_tools10any

References 5

  • github.com https://github.com/apache/httpcomponents-client/pull/574
    Issue TrackingPatch
  • github.com https://github.com/apache/httpcomponents-client/pull/621
    Issue TrackingPatch
  • hc.apache.org https://hc.apache.org/httpcomponents-client-5.4.x/index.html
    Product
  • lists.apache.org https://lists.apache.org/thread/55xhs40ncqv97qvoocok44995xp5kqn8
    Mailing ListPatch
  • security.netapp.com https://security.netapp.com/advisory/ntap-20250516-0003/
    Third Party Advisory

Remediation

  • github.com https://github.com/apache/httpcomponents-client/pull/574
    Issue TrackingPatch
  • github.com https://github.com/apache/httpcomponents-client/pull/621
    Issue TrackingPatch
  • lists.apache.org https://lists.apache.org/thread/55xhs40ncqv97qvoocok44995xp5kqn8
    Mailing ListPatch