All vulnerabilities

Servers and applications

CVE-2021-20019

A vulnerability in SonicOS where the HTTP server response leaks partial memory by sending a crafted HTTP request, this can potentially lead to an internal sensitive data disclosure vulnerability.

Severity
High 7.5
Published
23 Jun 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
7.0.0.376, 7.0.1-r1036
Sources
NVD

Affected software

SoftwareAffected versions
SonicWall SonicOSServers and applications · cpe:o:sonicwall:sonicos
  • Version 6.0.5.3-94o
  • Version 6.5.1.12-3n
  • Version 6.5.4.7-83n
  • From 7.0.0 before 7.0.0.376
  • From 7.0.1 before 7.0.1-r1036

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-20019
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-20019