CVE-2012-1123

The mci_check_login function in api/soap/mc_api.php in the SOAP API in MantisBT before 1.2.9...

7.5 HighFix available

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.

Exploit likelihood

3.69%Down 0.1 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

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.

Record: CVE-2012-1123
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-287
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2012-1123
Updated: 2026-11-02

EUVDEUVD-2012-1157 No score

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.

Record: EUVD-2012-1157
Updated: 2026-11-03

GitHub AdvisoriesGHSA-3j3f-q7qx-c66q No score

The mci_check_login function in api/soap/mc_api.php in the SOAP API in MantisBT before 1.2.9...

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.

Record: GHSA-3j3f-q7qx-c66q
Weakness: CWE-287
Updated: 2026-11-02

Affected products

mantisbt

Affected packages

Affected packages
Package	Affected	Fixed
`mantis` Debian:6.0	before 1.1.8+dfsg-10squeeze2, plus listed versions 1.1.8+dfsg-101.1.8+dfsg-10squeeze1	1.1.8+dfsg-10squeeze2

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-1123 is a high vulnerability (CVSS 7.5) in Mantisbt, published June 24, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.69%, the 89th percentile. Fixed in mantis 1.1.8+dfsg-10squeeze2.

References

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