CVE-2021-3393
4.3
MEDIUM
CVSS 3.1
EPSS 1.2%
描述
An information leak was discovered in postgresql in versions before 13.2, before 12.6 and before 11.11. A user having UPDATE permission but not SELECT permission to a particular column could craft queries which, under some circumstances, might disclose values from that column in error messages. An attacker could use this flaw to obtain information stored in a column they are allowed to write but not read.
如何修補 CVE-2021-3393
要修補 CVE-2021-3393,請將受影響套件升級到下列已修補版本。
- —升級至 11.11-r0 或更新版本
- —升級至 13.2-r0 或更新版本
- —升級至 13.2-r0 或更新版本
- —升級至 13.2-r0 或更新版本
CVE-2021-3393 正在被利用嗎?
低 — EPSS 為 1.2%,目前沒有觀察到大規模利用活動。
受影響套件(4)
- >= 12.0, < 11.11-r0
- from 0, < 13.2-r0
- from 0, < 13.2-r0
- from 0, < 13.2-r0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |