CVE-2021-42770

Medium

Description

A Cross-site scripting (XSS) vulnerability was discovered in OPNsense before 21.7.4 via the LDAP attribute return in the authentication tester.

SeverityMedium
CVSS6.1
Exploit probability—
ProductOpnsense
PublishedNov 8, 2021
First seenNov 8, 2021

How to fix

Update
  • opnsense opnsense21.7.4 or later

Affected products

ProductAffected versionsFixed in
opnsense opnsensev ≤ 19.7.0, 21.7.0 ≤ v < 21.7.421.7.4

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.