UpHeron
All vulnerabilities

Servers and applications

CVE-2021-43206

A server-generated error message containing sensitive information in Fortinet FortiOS 7.0.0 through 7.0.3, 6.4.0 through 6.4.8, 6.2.x, 6.0.x and FortiProxy 7.0.0 through 7.0.1, 2.0.x allows malicious webservers to retrieve a web proxy's client username and IP via same origin HTTP requests triggering proxy-generated HTTP status codes pages.

Severity
Medium 4.3
Published
4 May 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.0.9, 6.0.14, 6.2.10, 6.4.8, 7.0.2, 7.0.4
Sources
NVD

Affected software

SoftwareAffected versions
Fortinet FortiProxyServers and applications · cpe:a:fortinet:fortiproxy
  • From 2.0.0 before 2.0.9
  • From 7.0.0 before 7.0.2
Fortinet FortiOSServers and applications · cpe:o:fortinet:fortios
  • From 5.6.0 before 6.0.14
  • From 6.2.0 before 6.2.10
  • From 6.4.0 before 6.4.8
  • From 7.0.0 before 7.0.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-43206
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-43206