CVE-2021-21337
URL Redirection to Untrusted Site ('Open Redirect') in Products.PluggableAuthService
5.7
MEDIUM
CVSS 3.1
EPSS 8.4%
描述
Products.PluggableAuthService is a pluggable Zope authentication and authorization framework. In Products.PluggableAuthService before version 2.6.0 there is an open redirect vulnerability. A maliciously crafted link to the login form and login functionality could redirect the browser to a different website. The problem has been fixed in version 2.6.1. Depending on how you have installed Products.PluggableAuthService, you should change the buildout version pin to `2.6.1` and re-run the buildout, or if you used `pip` simply do `pip install "Products.PluggableAuthService>=2.6.1".
如何修補 CVE-2021-21337
要修補 CVE-2021-21337,請將受影響套件升級到下列已修補版本。
- —升級至 2.6.1 或更新版本
CVE-2021-21337 正在被利用嗎?
中等 — EPSS 為 8.4%,可持續追蹤但非最高優先。
受影響套件(1)
- from 0, < 2.6.1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM5.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N |
參考連結(7)
- ADVISORYnvd.nist.gov/vuln/detail/CVE-2021-21337
- PATCHgithub.com/zopefoundation/Products.PluggableAuthService
- WEBpacketstormsecurity.com/files/162911/Products.PluggableAuthService-2.6.0-Open-Redirect.html
- WEBgithub.com/pypa/advisory-database/tree/main/vulns/products-pluggableauthservice/PYSEC-2021-45.yaml