CVE-2021-31553
6.5
MEDIUM
CVSS 3.1
EPSS 1.4%
描述
An issue was discovered in the CheckUser extension for MediaWiki through 1.35.2. MediaWiki usernames with trailing whitespace could be stored in the cu_log database table such that denial of service occurred for certain CheckUser extension pages and functionality. For example, the attacker could turn off Special:CheckUserLog and thus interfere with usage tracking.
如何修補 CVE-2021-31553
要修補 CVE-2021-31553,請將受影響套件升級到下列已修補版本。
- Bitnami/mediawiki—升級至 1.35.3 或更新版本
CVE-2021-31553 正在被利用嗎?
低 — EPSS 為 1.4%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 1.35.3
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L |