VULNERABILITY INTELLIGENCE

CVE-2021-42770

CVSS score6.1 MEDIUM

EPSS probability1.37%

CISA KEVNot currently listed

Published2021-11-08

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

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

Weakness classification

nvd@nist.gov: CWE-79

Primary references

cve@mitre.org — Third Party Advisory
cve@mitre.org — Exploit, Third Party Advisory
cve@mitre.org — Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory