A Host Header Redirection vulnerability in SonicOS potentially allows a remote attacker to redirect firewall management users to arbitrary web domains.
CVE-2021-20031
CVSS base score
6.1 (v3.1)
Severity
MEDIUM
Attack vector
Network
Weakness
CWE-601
Last modified
November 9, 2026
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected products
sonicwall sonicos
References
- packetstormsecurity.com Exploit, Third Party Advisory, VDB Entry
- psirt.global.sonicwall.com Vendor Advisory
- packetstormsecurity.com Exploit, Third Party Advisory, VDB Entry
- psirt.global.sonicwall.com Vendor Advisory