CVE-2012-5627 Weak cryptography in n/a
Remote authenticated users can brute force passwords more easily because the salt is not modified during multiple change_user commands in the same connection.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-5627?
CVE-2012-5627 is a medium-severity vulnerability in Mariadb Mariadb, published on 1 Oct 2013. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Oracle MySQL and MariaDB 5.5.x before 5.5.29, 5.3.x before 5.3.12, and 5.2.x before 5.2.14 does not modify the salt during multiple executions of the change_user command within the same connection which makes it easier for remote authenticated users to conduct brute force password guessing attacks.
Weakness: CWE-522
Which versions are affected by CVE-2012-5627?
It affects 2 products.
Products include Mariadb Mariadb, Oracle Mysql.
How do I fix CVE-2012-5627?
Upgrade to a fixed version.
Is CVE-2012-5627 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2012-5627 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Mariadb Mariadb
- CVE-2026-49261 MariaDB server has unsafe parameter handling in `wsrep_notify_cmd`
- CVE-2026-85746 MariaDB: Out-of-bound buffer write on in `ST_AsText` of nested GeometryCollections
- CVE-2026-85748 MariaDB: Use-after-free with a large number of SYS_REFCURSOR's
- CVE-2026-92262 MariaDB: Numerous issues caused by historical #mysql50# tablename encoding bypass.
- CVE-2023-26785 Code injection in n/a
Sources
Also known as AZL-6692, GHSA-46h7-m4g6-26pp, UBUNTU-CVE-2012-5627.