CVE-2021-21659
XXE vulnerability in Jenkins URLTrigger Plugin
8.1
HIGH
CVSS 3.1
EPSS 0.29%
描述
Jenkins URLTrigger Plugin 0.48 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks. This allows attackers with Job/Configure permission or otherwise able to control the contents of an URL to an XML document being examined for changes to have Jenkins parse a crafted XML document that uses external entities for extraction of secrets from the polling Jenkins controller or agent, server-side request forgery, or denial-of-service attacks. UJenkins RLTrigger Plugin 0.49 disables external entity resolution for its XML parser.
如何修補 CVE-2021-21659
要修補 CVE-2021-21659,請將受影響套件升級到下列已修補版本。
- —升級至 0.49 或更新版本
CVE-2021-21659 正在被利用嗎?
低 — EPSS 為 0.3%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 0.49
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |