CVE-2021-20271
7.0
HIGH
CVSS 3.1
EPSS 0.83%
描述
A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package, whose signature header was modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is to data integrity, confidentiality, and system availability.
如何修補 CVE-2021-20271
要修補 CVE-2021-20271,請將受影響套件升級到下列已修補版本。
- —升級至 4.16.1.2+dfsg1-1 或更新版本
CVE-2021-20271 正在被利用嗎?
低 — EPSS 為 0.8%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 4.16.1.2+dfsg1-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.0 | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |