CVE-2020-13956 - CVE House
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Status published Medium CVE-2020-13956

Apache HttpClient versions prior to version 4.5.13 and 5.0.3 can...

Vulnerability Description

Apache HttpClient versions prior to version 4.5.13 and 5.0.3 can misinterpret malformed authority component in request URIs passed to the library as java.net.URI object and pick the wrong target host for request execution.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Apache HttpClient
Vulnerable Versions:
4.5.12 and prior, 5.0.2 and prior

Timeline

Official Publish: December 2nd, 2020
Last Modified: December 1st, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.