VULNERABILITY INTELLIGENCE

CVE-2021-20031

CVSS score6.1 MEDIUM

EPSS probability13.04%

CISA KEVNot currently listed

Published2021-10-12

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 Host Header Redirection vulnerability in SonicOS potentially allows a remote attacker to redirect firewall management users to arbitrary web domains.

Weakness classification

PSIRT@sonicwall.com: CWE-601
nvd@nist.gov: CWE-601

Primary references

PSIRT@sonicwall.com — Exploit, Third Party Advisory, VDB Entry
PSIRT@sonicwall.com — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory