CVE-2021-43557
Path traversal in request_uri variable
7.5
HIGH
CVSS 3.1
EPSS 14.6%
描述
The uri-block plugin in Apache APISIX before 2.10.2 uses $request_uri without verification. The $request_uri is the full original request URI without normalization. This makes it possible to construct a URI to bypass the block list on some occasions. For instance, when the block list contains "^/internal/", a URI like `//internal/` can be used to bypass it. Some other plugins also have the same issue. And it may affect the developer's custom plugin.
如何修補 CVE-2021-43557
要修補 CVE-2021-43557,請將受影響套件升級到下列已修補版本。
- —升級至 2.10.2 或更新版本
CVE-2021-43557 正在被利用嗎?
中等 — EPSS 為 14.6%,可持續追蹤但非最高優先。
受影響套件(1)
- from 0, < 2.10.2
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:H/I:N/A:N |