Is CVE-2021-21337 actively exploited?

CVE-2021-21337 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-21337?

CVE-2021-21337 has a CVSS score of 5.7 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

How do I patch CVE-2021-21337?

Patch guidance is available from zope security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-21337.

Which products are affected by CVE-2021-21337?

1 product: zope products.pluggableauthservice.

CVE-2021-21337 - remediation guidance & executive summary

Description

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".

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: low
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: CWE-601

Metadata

Primary Vendor: ZOPE
Published: 3/8/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-21337

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary