SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-5615

Oracle MySQL 5.5.38 and earlier, 5.6.19 and earlier, and MariaDB 5.5.28a, 5.3.11, 5.2.13, 5.1.66, and possibly other versions, generates different error messages with different time delays depending on whether a user name exists, which allows remote…

EXPLOIT ×2 ✓MEDIUM 5.0EPSS 14.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 14.8%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

Oracle MySQL 5.5.38 and earlier, 5.6.19 and earlier, and MariaDB 5.5.28a, 5.3.11, 5.2.13, 5.1.66, and possibly other versions, generates different error messages with different time delays depending on whether a user name exists, which allows remote attackers to enumerate valid usernames.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS
14.78% probability · 97th percentile
Public exploits
2 in Exploit-DB · verified · first 2 December 2012
CISA KEV
Not listed
Weakness
CWE-200
Affected
mariadb/mariadb · oracle/mysql
Source
secalert@redhat.com
EPSS trend
0%8%15%4 November 2026: 14.78%4 November 20264 November 2026

EPSS 14.8% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (2)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-23081source ↗MySQL - Remote User Enumerationmultiple · kingcoperemote2 December 2012yes
EDB-23073source ↗MySQL 5.1/5.5 (Windows) - 'MySQLJackpot' Remote Command Executionwindows · kingcoperemote2 December 2012yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.