CVE-2020-27782
Denial of service in Undertow
7.5
HIGH
CVSS 3.1
EPSS 1.3%
描述
A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1.
如何修補 CVE-2020-27782
要修補 CVE-2020-27782,請將受影響套件升級到下列已修補版本。
- —升級至 2.2.4-1 或更新版本
- —升級至 2.1.5 或更新版本
CVE-2020-27782 正在被利用嗎?
低 — EPSS 為 1.3%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 2.2.4-1
- >= 2.1.0, < 2.1.5
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 |