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Moderate severityNVD Advisory· Published Aug 21, 2014· Updated Jun 17, 2026

CVE-2014-3577

CVE-2014-3577

Description

org.apache.http.conn.ssl.AbstractVerifier in Apache HttpComponents HttpClient before 4.3.5 and HttpAsyncClient before 4.0.2 does not properly verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via a "CN=" string in a field in the distinguished name (DN) of a certificate, as demonstrated by the "foo,CN=www.apache.org" string in the O field.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
org.apache.httpcomponents:httpclientMaven
< 4.3.54.3.5

Affected products

29

Patches

Vulnerability mechanics

References

61

News mentions

1