sql/password.c in Oracle MySQL 5.1.x before 5.1.63, 5.5.x before 5.5.24, and 5.6.x before 5.6.6, and MariaDB 5.1.x before 5.1.62, 5.2.x before 5.2.12, 5.3.x before 5.3.6, and 5.5.x before 5.5.23, when running in certain environments with certain implementations of the memcmp function, allows remote attackers to bypass authentication by repeatedly authenticating with the same incorrect password, which eventually causes a token comparison to succeed due to an improperly-checked return value.
結論預警: CVE-2012-2122 綜合評估為高可利用風險（70/100）：CVSS 技術影響為中級，利用機率偏高（EPSS 96.19%，百分位 100%） 核心證據: 已收錄 4 筆公開利用參考（Exploit-DB）。 強制指令: 存在公開利用—請盤點暴露面、落實緩解措施並優先修補。
風險隨態勢動態變化；本站持續評估並同步更新本頁展示內容。
| EDB-ID | 來源 | 類型 | 公開時間 | 連結 |
|---|---|---|---|---|
| 19092 | exploit_db | edb | 2012-06-12 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS 日更估計相對被利用可能性；百分位表示該 CVE 在已評分漏洞中的相對排名（越高表示相對更嚴重）。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化（新 − 舊） |
|---|---|---|---|---|
| 1 | 2026-06-19 | 96.50% | 96.19% | -0.31% |
| 2 | 2026-06-16 | 96.19% | 96.50% | +0.31% |
| 3 | 2026-06-15 | — | 96.19% | — |
完整 EPSS 歷史 （共 41 筆）
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 5.1 | 2.0 | MEDIUM |
|
4.9 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
high | CVE-2012-2122: 1 GLSA(s) (201308-06), 1 atom(s) (dev-db/mysql); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-2122 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2012-2122 |
ubuntu
|
high | CVE-2012-2122 high priority: Ubuntu including 5 source packages (mysql-5.1, mysql-5.5, mysql-cluster-7.0, mysql-dfsg-5.0, mysql-dfsg-5.1), 30 status rows across 6 suites (hardy, lucid, natty, oneiric, precise, upstream): DNE 17, released 8, ignored 3, needs-triage 2. | https://ubuntu.com/security/CVE-2012-2122 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| oracle | mysql | 5.1.51 | cpe:2.3:a:oracle:mysql:5.1.51:*:*:*:*:*:*:* |
| oracle | mysql | 5.1.52 | cpe:2.3:a:oracle:mysql:5.1.52:*:*:*:*:*:*:* |
| oracle | mysql | 5.1.52 | cpe:2.3:a:oracle:mysql:5.1.52:sp1:*:*:*:*:*:* |
| oracle | mysql | 5.1.53 | cpe:2.3:a:oracle:mysql:5.1.53:*:*:*:*:*:*:* |
| oracle | mysql | 5.1.54 | cpe:2.3:a:oracle:mysql:5.1.54:*:*:*:*:*:*:* |
| oracle | mysql | 5.1.55 | cpe:2.3:a:oracle:mysql:5.1.55:*:*:*:*:*:*:* |
| oracle | mysql | 5.1.56 | cpe:2.3:a:oracle:mysql:5.1.56:*:*:*:*:*:*:* |
| oracle | mysql | 5.1.57 | cpe:2.3:a:oracle:mysql:5.1.57:*:*:*:*:*:*:* |
| oracle | mysql | 5.1.58 | cpe:2.3:a:oracle:mysql:5.1.58:*:*:*:*:*:*:* |
| oracle | mysql | 5.1.59 | cpe:2.3:a:oracle:mysql:5.1.59:*:*:*:*:*:*:* |
| oracle | mysql | 5.1.60 | cpe:2.3:a:oracle:mysql:5.1.60:*:*:*:*:*:*:* |
| oracle | mysql | 5.1.61 | cpe:2.3:a:oracle:mysql:5.1.61:*:*:*:*:*:*:* |
| oracle | mysql | 5.5.10 | cpe:2.3:a:oracle:mysql:5.5.10:*:*:*:*:*:*:* |
| oracle | mysql | 5.5.11 | cpe:2.3:a:oracle:mysql:5.5.11:*:*:*:*:*:*:* |
| oracle | mysql | 5.5.12 | cpe:2.3:a:oracle:mysql:5.5.12:*:*:*:*:*:*:* |
| oracle | mysql | 5.5.13 | cpe:2.3:a:oracle:mysql:5.5.13:*:*:*:*:*:*:* |
| oracle | mysql | 5.5.14 | cpe:2.3:a:oracle:mysql:5.5.14:*:*:*:*:*:*:* |
| oracle | mysql | 5.5.15 | cpe:2.3:a:oracle:mysql:5.5.15:*:*:*:*:*:*:* |
| oracle | mysql | 5.5.16 | cpe:2.3:a:oracle:mysql:5.5.16:*:*:*:*:*:*:* |
| oracle | mysql | 5.5.17 | cpe:2.3:a:oracle:mysql:5.5.17:*:*:*:*:*:*:* |
| oracle | mysql | 5.5.18 | cpe:2.3:a:oracle:mysql:5.5.18:*:*:*:*:*:*:* |
| oracle | mysql | 5.5.19 | cpe:2.3:a:oracle:mysql:5.5.19:*:*:*:*:*:*:* |
| oracle | mysql | 5.5.20 | cpe:2.3:a:oracle:mysql:5.5.20:*:*:*:*:*:*:* |
| oracle | mysql | 5.5.21 | cpe:2.3:a:oracle:mysql:5.5.21:*:*:*:*:*:*:* |
| oracle | mysql | 5.6.2 | cpe:2.3:a:oracle:mysql:5.6.2:*:*:*:*:*:*:* |
| oracle | mysql | 5.6.3 | cpe:2.3:a:oracle:mysql:5.6.3:*:*:*:*:*:*:* |
| oracle | mysql | 5.6.4 | cpe:2.3:a:oracle:mysql:5.6.4:*:*:*:*:*:*:* |
| oracle | mysql | 5.6.5 | cpe:2.3:a:oracle:mysql:5.6.5:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.1.41 | cpe:2.3:a:mariadb:mariadb:5.1.41:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.1.42 | cpe:2.3:a:mariadb:mariadb:5.1.42:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.1.44 | cpe:2.3:a:mariadb:mariadb:5.1.44:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.1.47 | cpe:2.3:a:mariadb:mariadb:5.1.47:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.1.49 | cpe:2.3:a:mariadb:mariadb:5.1.49:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.1.50 | cpe:2.3:a:mariadb:mariadb:5.1.50:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.1.51 | cpe:2.3:a:mariadb:mariadb:5.1.51:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.1.53 | cpe:2.3:a:mariadb:mariadb:5.1.53:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.1.55 | cpe:2.3:a:mariadb:mariadb:5.1.55:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.1.60 | cpe:2.3:a:mariadb:mariadb:5.1.60:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.1.61 | cpe:2.3:a:mariadb:mariadb:5.1.61:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.2.0 | cpe:2.3:a:mariadb:mariadb:5.2.0:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.2.1 | cpe:2.3:a:mariadb:mariadb:5.2.1:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.2.2 | cpe:2.3:a:mariadb:mariadb:5.2.2:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.2.3 | cpe:2.3:a:mariadb:mariadb:5.2.3:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.2.4 | cpe:2.3:a:mariadb:mariadb:5.2.4:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.2.5 | cpe:2.3:a:mariadb:mariadb:5.2.5:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.2.6 | cpe:2.3:a:mariadb:mariadb:5.2.6:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.2.7 | cpe:2.3:a:mariadb:mariadb:5.2.7:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.2.8 | cpe:2.3:a:mariadb:mariadb:5.2.8:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.2.9 | cpe:2.3:a:mariadb:mariadb:5.2.9:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.2.10 | cpe:2.3:a:mariadb:mariadb:5.2.10:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.2.11 | cpe:2.3:a:mariadb:mariadb:5.2.11:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.3.0 | cpe:2.3:a:mariadb:mariadb:5.3.0:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.3.1 | cpe:2.3:a:mariadb:mariadb:5.3.1:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.3.2 | cpe:2.3:a:mariadb:mariadb:5.3.2:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.3.3 | cpe:2.3:a:mariadb:mariadb:5.3.3:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.3.4 | cpe:2.3:a:mariadb:mariadb:5.3.4:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.3.5 | cpe:2.3:a:mariadb:mariadb:5.3.5:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.3.6 | cpe:2.3:a:mariadb:mariadb:5.3.6:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.5.20 | cpe:2.3:a:mariadb:mariadb:5.5.20:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.5.21 | cpe:2.3:a:mariadb:mariadb:5.5.21:*:*:*:*:*:*:* |
| mariadb | mariadb | 5.5.22 | cpe:2.3:a:mariadb:mariadb:5.5.22:*:*:*:*:*:*:* |