VULNERABILITY INTELLIGENCE

CVE-2021-20729

CVSS score6.1 MEDIUM

EPSS probability2.88%

CISA KEVNot currently listed

Published2022-03-31

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

Cross-site scripting vulnerability in pfSense CE and pfSense Plus (pfSense CE software versions 2.5.2 and earlier, and pfSense Plus software versions 21.05 and earlier) allows a remote attacker to inject an arbitrary script via a malicious URL.

Weakness classification

nvd@nist.gov: CWE-79

Primary references

vultures@jpcert.or.jp — Third Party Advisory
vultures@jpcert.or.jp — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry