CVE-2012-1123 Auth bypass in n/a
Remote attackers can bypass authentication in MantisBT SOAP API by using a null password, gaining unauthorized access to the system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-1123?
CVE-2012-1123 is a high-severity authentication bypass vulnerability in Mantisbt Mantisbt, published on 29 Jun 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-287
Which versions are affected by CVE-2012-1123?
It affects 1 product.
Products include Mantisbt Mantisbt.
How do I fix CVE-2012-1123?
Upgrade to a fixed version.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2012-1123 being exploited?
There is no known exploitation of CVE-2012-1123 in the wild and no public exploit code.
Other vulnerabilities in Mantisbt Mantisbt
- CVE-2019-15074 MantisBT allows cross-site scripting (XSS) via crafted filename
- CVE-2026-30849 MantisBT SOAP API has an authentication bypass vulnerability on MySQL
- CVE-2025-47776 MantisBT: Authentication bypass for some passwords due to PHP type juggling
- CVE-2017-7615 MantisBT allows arbitrary password reset
- CVE-2026-33517 MantisBT Vulnerable to Stored HTML Injection in Tag Delete Confirmation
Sources
Also known as GHSA-3j3f-q7qx-c66q.