CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
AI Score
Confidence
High
EPSS
Percentile
79.6%
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.
secunia.com/advisories/62101
www.debian.org/security/2015/dsa-3120
www.openwall.com/lists/oss-security/2014/11/26/19
www.openwall.com/lists/oss-security/2014/11/27/8
www.securityfocus.com/bid/71321
exchange.xforce.ibmcloud.com/vulnerabilities/99004
github.com/mantisbt/mantisbt/commit/7bb78e45
www.mantisbt.org/bugs/view.php?id=17811