CVE-2021-20031

EPSS 13.0%CWE-601

Vexday Risk Score

43Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS —EPSS 13.0%KEV nãoPoC públicaNuclei simMetasploit —Patch —

Lifecycle

12 Oct 2021Published on NVD

13 Oct 2021Public PoC

Recommendation: Plan a near-term fix — a public PoC already exists.

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

Affected products

SonicWall · SonicOS

public PoCs found — 2

cve_referencepacketstormsecurity.com/files/164502/Sonicwall-SonicOS-7.0-Host-Header-Injection.htmlunverified exploitdbwww.exploit-db.com/exploits/50414unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

http://packetstormsecurity.com/files/164502/Sonicwall-SonicOS-7.0-Host-Header-Injection.html https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0019