CVE-2015-3908

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-08-12 · updated 2026-06-17
Weakness: CWE-345

Description

Ansible before 1.9.2 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

Red Hat Ansible: through 1.9.1

References

http://lists.opensuse.org/opensuse-updates/2015-07/msg00051.html
http://lists.opensuse.org/opensuse-updates/2015-08/msg00029.html
http://www.ansible.com/security
http://www.openwall.com/lists/oss-security/2015/07/14/4
https://lists.debian.org/debian-lts-announce/2019/09/msg00016.html
http://lists.opensuse.org/opensuse-updates/2015-07/msg00051.html
http://lists.opensuse.org/opensuse-updates/2015-08/msg00029.html
http://www.ansible.com/security
http://www.openwall.com/lists/oss-security/2015/07/14/4
https://lists.debian.org/debian-lts-announce/2019/09/msg00016.html

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