A Host Header Redirection vulnerability in SonicOS potentially allows a...

6.1 CVSS

Vulnerability Description

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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-20031

Check My Exposure

Credits & Attribution

No credits recorded in the NVD database.

References

More from SonicWall

View All →

CVE-2025-40605

A Path Traversal vulnerability has been identified in the Email...

Unknown 0

CVE-2025-40604

Download of Code Without Integrity Check Vulnerability in the SonicWall...

Unknown 0

CVE-2025-40603

A potential exposure of sensitive information in log files in...

Unknown 0

CVE-2025-40602

A local privilege escalation vulnerability due to insufficient authorization in...

Unknown 0

CVE-2025-40601

A Stack-based buffer overflow vulnerability in the SonicOS SSLVPN service...

Unknown 0

Affected Vendor

SonicWall

View all reports →

Affected Software

SonicOS

Vulnerable Versions:

7.0.1-R1262 and earlier, 7.0.1-R1283 and earlier, 7.0.1-R579 and earlier, 6.5.4.7 and earlier, 6.5.1.12 and earlier, 6.0.5.3-94o and earlier, 6.5.4.4-44V-21-987 and earlier, 5.9.1.13 and earlier