Improper Certificate Validation Affecting org.apache.httpcomponents.client5:httpclient5 package, versions [5.4.0,5.4.3)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published24 Apr 2025
- disclosed24 Apr 2025
- creditApache HttpClient team
Introduced: 24 Apr 2025
NewCVE-2025-27820 (opens in a new tab)How to fix?
Upgrade org.apache.httpcomponents.client5:httpclient5 to version 5.4.3 or higher.
Overview
org.apache.httpcomponents.client5:httpclient5 is a HttpClient component of the Apache HttpComponents project.
Affected versions of this package are vulnerable to Improper Certificate Validation due to a bug in the validation logic of the Public Suffix List, which allows attackers to manipulate cookie management and host name verification, leading to unauthorized access or information disclosure.