Vulnerability Description
A Cross-site scripting (XSS) vulnerability was discovered in OPNsense before 21.7.4 via the LDAP attribute return in the authentication tester.
CVSS Score
6.1
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Opnsense | Opnsense | <= 19.7.0 |
Related Weaknesses (CWE)
References
- https://cert.orange.comThird Party Advisory
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-r32j-ExploitThird Party Advisory
- https://opnsense.org/opnsense-21-7-4-released/Release NotesVendor Advisory
- https://cert.orange.comThird Party Advisory
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-r32j-ExploitThird Party Advisory
- https://opnsense.org/opnsense-21-7-4-released/Release NotesVendor Advisory
FAQ
What is CVE-2021-42770?
CVE-2021-42770 is a vulnerability with a CVSS score of 6.1 (MEDIUM). A Cross-site scripting (XSS) vulnerability was discovered in OPNsense before 21.7.4 via the LDAP attribute return in the authentication tester.
How severe is CVE-2021-42770?
CVE-2021-42770 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-42770?
Check the references section above for vendor advisories and patch information. Affected products include: Opnsense Opnsense.