CVE-2021-20236
9.8
CRITICAL
CVSS 3.1
EPSS 1.6%
描述
A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
如何修補 CVE-2021-20236
要修補 CVE-2021-20236,請將受影響套件升級到下列已修補版本。
- Debian/zeromq3—升級至 4.3.3-1 或更新版本
CVE-2021-20236 正在被利用嗎?
低 — EPSS 為 1.6%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 4.3.3-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |