CVE-2021-20031
moderate-risk
Published 2021-10-12
A Host Header Redirection vulnerability in SonicOS potentially allows a remote attacker to redirect firewall management users to arbitrary web domains.
Do I need to act?
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36.2% chance of exploitation in next 30 days
EPSS score — higher than 64% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10
Medium
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (4)
Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0019
Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0019
44
/ 100
moderate-risk
Severity
23/34 · High
Exploitability
16/34 · Moderate
Exposure
5/34 · Minimal