CVE-2021-42770: XSS
Published Nov 8, 2021
·Updated
A Cross-site scripting (XSS) vulnerability was discovered in OPNsense before 21.7.4 via the LDAP attribute return in the authentication tester.
Affected Software
2 affected components
OPNsense OPNsense<=19.7.0
OPNsense OPNsense>=21.7.0<21.7.4
Event History
Nov 8, 2021
CVE Published
via MITRE·03:21 PM
Data Sourced
via MITRE·03:21 PM
Description
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2021-42770?
The severity of CVE-2021-42770 is medium.
2
How does CVE-2021-42770 affect OPNsense?
CVE-2021-42770 affects OPNsense versions before 21.7.4.
3
What is the CWE category of CVE-2021-42770?
The CWE category of CVE-2021-42770 is CWE-79 (Cross-Site Scripting).
4
How can I fix CVE-2021-42770?
To fix CVE-2021-42770, you need to update OPNsense to version 21.7.4 or later.
5
Where can I find more information about CVE-2021-42770?
You can find more information about CVE-2021-42770 on the following references: [Orange CERT](https://cert.orange.com), [GitHub Security Advisory](https://github.com/orangecertcc/security-research/security/advisories/GHSA-r32j-xgg3-w2rw), [OPNsense 21.7.4 Release Announcement](https://opnsense.org/opnsense-21-7-4-released/).