CVE-2014-9117

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-12-06 · updated 2026-06-17
Weakness: CWE-284

Description

MantisBT before 1.2.18 uses the public_key parameter value as the key to the CAPTCHA answer, which allows remote attackers to bypass the CAPTCHA protection mechanism by leveraging knowledge of a CAPTCHA answer for a public_key parameter value, as demonstrated by E4652 for the public_key value 0.

Affected products

mantisbt: through 1.2.17

References

http://secunia.com/advisories/62101
http://www.debian.org/security/2015/dsa-3120
http://www.openwall.com/lists/oss-security/2014/11/26/19
http://www.openwall.com/lists/oss-security/2014/11/27/8
http://www.securityfocus.com/bid/71321
https://exchange.xforce.ibmcloud.com/vulnerabilities/99004
https://github.com/mantisbt/mantisbt/commit/7bb78e45
https://www.mantisbt.org/bugs/view.php?id=17811
http://secunia.com/advisories/62101
http://www.debian.org/security/2015/dsa-3120
http://www.openwall.com/lists/oss-security/2014/11/26/19
http://www.openwall.com/lists/oss-security/2014/11/27/8

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