CVE-2021-20237
7.5
HIGH
CVSS 3.1
EPSS 1.7%
描述
An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. The highest threat from this vulnerability is to system availability.
如何修補 CVE-2021-20237
要修補 CVE-2021-20237,請將受影響套件升級到下列已修補版本。
- —升級至 4.3.3-1 或更新版本
CVE-2021-20237 正在被利用嗎?
低 — EPSS 為 1.7%,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 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |