What’s Vulnerable › Vulnerabilities

CVE-2014-2576

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-10-15 · updated 2026-06-17
• Weakness: CWE-310

Description

plugins/rssyl/feed.c in Claws Mail before 3.10.0 disables the CURLOPT_SSL_VERIFYHOST check for CN or SAN host name fields, which makes it easier for remote attackers to spoof servers and conduct man-in-the-middle (MITM) attacks.

Affected products

• Claws-Mail: through 3.9.3
• Opensuse: 12.3, 13.1

References

• http://lists.opensuse.org/opensuse-updates/2014-10/msg00015.html
• http://seclists.org/oss-sec/2014/q1/636
• http://secunia.com/advisories/60422
• http://sourceforge.net/p/claws-mail/news/2014/05/claws-mail-3100-unleashed/
• http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=3106
• http://lists.opensuse.org/opensuse-updates/2014-10/msg00015.html
• http://seclists.org/oss-sec/2014/q1/636
• http://secunia.com/advisories/60422
• http://sourceforge.net/p/claws-mail/news/2014/05/claws-mail-3100-unleashed/
• http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=3106

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