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Vulnerability record · CVE-2012-1123 · published 29 June 2012

CVE-2012-1123: Mantisbt improper authentication vulnerability

Mantisbt · Mantisbt

The mci_check_login function in api/soap/mc_api.php in the SOAP API in MantisBT before 1.2.9 allows remote attackers to bypass authentication via a null password.

7.5 CVSS 2.0 High EPSS 3.7% · top 10.4% CWE-287 · Improper authentication
7.5CVSS 2.0 base score
3.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
26References
16 Jun 2026Last modified by NVD

Description

The mci_check_login function in api/soap/mc_api.php in the SOAP API in MantisBT before 1.2.9 allows remote attackers to bypass authentication via a null password.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092926.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093063.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093064.html
http://secunia.com/advisories/48258 Vendor Advisory
http://secunia.com/advisories/49572 Vendor Advisory
http://secunia.com/advisories/51199
http://security.gentoo.org/glsa/glsa-201211-01.xml
http://www.debian.org/security/2012/dsa-2500
http://www.mantisbt.org/bugs/changelog_page.php?version_id=140
http://www.mantisbt.org/bugs/view.php?id=13901 Patch
http://www.openwall.com/lists/oss-security/2012/03/06/9
http://www.securityfocus.com/bid/52313
https://github.com/mantisbt/mantisbt/commit/f5106be52cf6aa72c521f388e4abb5f0de1f1d7f Patch
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092926.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093063.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093064.html
http://secunia.com/advisories/48258 Vendor Advisory
http://secunia.com/advisories/49572 Vendor Advisory
http://secunia.com/advisories/51199
http://security.gentoo.org/glsa/glsa-201211-01.xml
http://www.debian.org/security/2012/dsa-2500
http://www.mantisbt.org/bugs/changelog_page.php?version_id=140
http://www.mantisbt.org/bugs/view.php?id=13901 Patch
http://www.openwall.com/lists/oss-security/2012/03/06/9
http://www.securityfocus.com/bid/52313
https://github.com/mantisbt/mantisbt/commit/f5106be52cf6aa72c521f388e4abb5f0de1f1d7f Patch

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-1123), CISA KEV, FIRST EPSS (scores of 2026-10-12). This page is refreshed as NVD updates the record.