TI-2013-03825 Aliases CVE-2013-4366 GHSA-pqwh-44jj-p5rm

http/impl/client/HttpClientBuilder.java in Apache HttpClient 4.3.x before 4.3.1 does not…

MEDIUM 48CWE-20Published 2017-10-30 · Updated 2024-08-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

http/impl/client/HttpClientBuilder.java in Apache HttpClient 4.3.x before 4.3.1 does not ensure that X509HostnameVerifier is not null, which allows attackers to have unspecified impact via vectors involving hostname verification.

Why it matters now

EPSS 0.03309 88th percentileScored 2026-11-07

Fix Fixed org.apache.httpcomponents:httpclient (Maven): 4.3.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA
—	org.apache.httpcomponents:httpclient (Maven)	4.3 to before 4.3.1	4.3.1	Patch available	GHSA-pqwh-44jj-p5rm

— Vendor— Affected all versions Fixed in — No fix listed CNA
org.apache.httpcomponents:httpclient (Maven) Vendor— Affected 4.3 to before 4.3.1 Fixed in 4.3.1 Patch available GHSA-pqwh-44jj-p5rm

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:a:apache:httpclient:4.3:::::::*	4.3	Vulnerable	Apache
cpe:2.3:a:apache:httpclient:4.3:alpha1::::::	4.3 alpha1	Vulnerable	Apache
cpe:2.3:a:apache:httpclient:4.3:beta1::::::	4.3 beta1	Vulnerable	Apache
cpe:2.3:a:apache:httpclient:4.3:beta2::::::	4.3 beta2	Vulnerable	Apache

cpe:2.3:a:apache:httpclient:4.3:*:*:*:*:*:*:* Versions 4.3 Vulnerable ·Apache
cpe:2.3:a:apache:httpclient:4.3:alpha1:*:*:*:*:*:* Versions 4.3 alpha1 Vulnerable ·Apache
cpe:2.3:a:apache:httpclient:4.3:beta1:*:*:*:*:*:* Versions 4.3 beta1 Vulnerable ·Apache
cpe:2.3:a:apache:httpclient:4.3:beta2:*:*:*:*:*:* Versions 4.3 beta2 Vulnerable ·Apache

Remediation

Fix · GHSA-pqwh-44jj-p5rm org.apache.httpcomponents:httpclient (Maven) Fixed in 4.3.1 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2013-4366
2026-10-03 Alias added: GHSA-pqwh-44jj-p5rm

References

Patch 1

http://svn.apache.org/r1528614

Advisory 2

Other 1

https://github.com/apache/httpcomponents-client/commit/08140864e3e4c0994e094c4cf0507932baf6a66

TI-2026-49957 Apache HttpComponents Client: TLS hostname verification silently disabled on the async transport (default config, MITM) CVSS 3.1CRITICAL 9.1
TI-2020-10932 Improper input validation in Apache HttpClient CVSS 3.1MEDIUM 5.3
TI-2025-20592 Apache HttpComponents: PSL (Public Suffix List) validation bypass CVSS 3.1HIGH 7.5
TI-2026-29288 Apache HttpClient: SCRAM-SHA-256 mutual authentication bypass may cause the client to… CVSS 3.1HIGH 7.3
TI-2015-04421 http/conn/ssl/SSLConnectionSocketFactory.java in Apache HttpComponents HttpClient before… CVSS 2.0MEDIUM 4.3
TI-2014-02901 org.apache.http.conn.ssl.AbstractVerifier in Apache HttpComponents HttpClient before… CVSS 2.0MEDIUM 5.8

See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences