CVE-2021-42770: XSS
First published: Mon Nov 08 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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OPNsense OPNsense | <=19.7.0 | |
| OPNsense OPNsense | >=21.7.0<21.7.4 | |
| <=19.7.0 | ||
| >=21.7.0<21.7.4 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-42770?
The severity of CVE-2021-42770 is medium.
How does CVE-2021-42770 affect OPNsense?
CVE-2021-42770 affects OPNsense versions before 21.7.4.
What is the CWE category of CVE-2021-42770?
The CWE category of CVE-2021-42770 is CWE-79 (Cross-Site Scripting).
How can I fix CVE-2021-42770?
To fix CVE-2021-42770, you need to update OPNsense to version 21.7.4 or later.
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/).
- agent/type
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/severity
- agent/weakness
- agent/references
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/first-publish-date
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/author
- agent/softwarecombine
- agent/event
- agent/tags
- agent/source
- vendor/opnsense
- canonical/opnsense opnsense
- version/opnsense opnsense/19.7.0
- version/opnsense opnsense/21.7.0