What’s Vulnerable › Vulnerabilities

CVE-2015-3996

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-10-27 · updated 2026-06-17
• Weakness: CWE-254

Description

The default AFSecurityPolicy.validatesDomainName configuration for AFSSLPinningModeNone in the AFNetworking framework before 2.5.3, as used in the ownCloud iOS Library, disables verification of a server hostname against the domain name in the subject's Common Name (CN) of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Affected products

• Afnetworking Project Afnetworking: through 2.5.2

References

• http://www.securityfocus.com/bid/76242
• https://github.com/AFNetworking/AFNetworking/issues/2619
• https://github.com/AFNetworking/AFNetworking/releases/tag/2.5.3
• https://owncloud.org/security/advisory/?id=oc-sa-2015-012
• http://www.securityfocus.com/bid/76242
• https://github.com/AFNetworking/AFNetworking/issues/2619
• https://github.com/AFNetworking/AFNetworking/releases/tag/2.5.3
• https://owncloud.org/security/advisory/?id=oc-sa-2015-012

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