CVE-2012-5662

Severity: medium (CVSS 5.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-05-27 · updated 2026-06-16
Weakness: CWE-310

Description

x3270 before 3.3.12ga12 does not 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 an arbitrary valid certificate.

Affected products

Paul Mattes X3270: through 3.3.12; 3.3.5, 3.3.6, 3.3.7, 3.3.8, 3.3.8-p1, 3.3.8-p2 (+12)

References

http://osvdb.org/91572
http://secunia.com/advisories/52650
http://sourceforge.net/projects/x3270/files/x3270/3.3.12ga12/
https://bugzilla.redhat.com/show_bug.cgi?id=889373
https://exchange.xforce.ibmcloud.com/vulnerabilities/82984
http://osvdb.org/91572
http://secunia.com/advisories/52650
http://sourceforge.net/projects/x3270/files/x3270/3.3.12ga12/
https://bugzilla.redhat.com/show_bug.cgi?id=889373
https://exchange.xforce.ibmcloud.com/vulnerabilities/82984

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