UpHeron
All vulnerabilities

Servers and applications

CVE-2020-29016

A stack-based buffer overflow vulnerability in FortiWeb 6.3.0 through 6.3.5 and version before 6.2.4 may allow an unauthenticated, remote attacker to overwrite the content of the stack and potentially execute arbitrary code by sending a crafted request with a large certname.

Severity
Critical 9.8
Published
14 Jan 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
6.2.4
Sources
NVD

Affected software

SoftwareAffected versions
Fortinet FortiWebServers and applications · cpe:a:fortinet:fortiweb
  • Every version before 6.2.4
  • From 6.3.0 up to 6.3.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-29016
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-29016