CVE-2025-27820

Apache HttpComponents: PSL (Public Suffix List) validation bypass

Published Apr 24, 2025 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-12102 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
Github GHSA Github GHSA GHSA-73m2-qfq3-56cx Apache HttpClient disables domain checks
History
Type Values Removed Values Added
First Time appeared Apache
Apache httpclient
Netapp
Netapp ontap Tools
CPEs cpe:2.3:a:apache:httpclient:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_tools:10:*:*:*:*:vmware_vsphere:*:*
Vendors & Products Apache
Apache httpclient
Netapp
Netapp ontap Tools
Type Values Removed Values Added
Weaknesses CWE-295
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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
Title Apache HttpComponents: PSL (Public Suffix List) validation bypass
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Jun 4, 2025, 11:20 AM
Reserved
Mar 7, 2025, 12:47 PM
Status
Analyzed
Published
Apr 24, 2025, 12:15 PM
Modified
Jun 17, 2026, 9:04 AM
Severity
Moderate
Public date
Apr 24, 2025, 11:44 AM