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CVE-2012-6153 is an SSL/TLS hostname-verification flaw in Apache Commons HttpClient versions before 4.2.3, in the AbstractVerifier implementation. The verifier improperly extracts and validates hostname information from an X.509 certificate subject, allowing a domain name located in a subject field other than the Common Name (CN) field to satisfy hostname validation. This is an incomplete fix for CVE-2012-5783.
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A prior Apache CXF/HttpComponents SSL hostname-verification bypass. CVE-2014-3577 is described as an incomplete fix for this vulnerability; versions of HttpClient before 4.2.3 remain vulnerable to the original issue.
A prior SSL hostname-verification bypass in Apache HttpClient/CXF-related components; the subsequent fix was itself incomplete, leading to CVE-2014-3577.
An intermediate Apache HttpClient certificate-subject parsing fix intended to prevent abuse of embedded CN= strings in non-CN X.509 subject attributes. Its remediation was incomplete and was replaced by the CVE-2014-3577 fix.
A prior incomplete fix to HttpClient certificate-subject CN parsing. The CVE-2014-3577 update replaces this fix and resolves the issue.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.