UpHeron
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Servers and applications

CVE-2021-20031

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

Severity
Medium 6.1
Published
12 Oct 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
SonicWall SonicOSServers and applications · cpe:o:sonicwall:sonicos
  • Every version up to 5.9.1.13
  • Every version up to 6.0.5.3-94o
  • Every version up to 6.5.1.12
  • Every version up to 6.5.4.7
All 7 release lines
  • Every version up to 7.0.1-r1262
  • Every version up to 7.0.1-r1283
  • Every version up to 7.0.1-r579
  • Every version up to 6.5.4.7
  • Every version up to 6.5.1.12
  • Every version up to 6.0.5.3-94o
  • Every version up to 5.9.1.13

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-20031
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-20031