UpHeron
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Servers and applications

CVE-2021-26103

An insufficient verification of data authenticity vulnerability (CWE-345) in the user interface of FortiProxy verison 2.0.3 and below, 1.2.11 and below and FortiGate verison 7.0.0, 6.4.6 and below, 6.2.9 and below of SSL VPN portal may allow a remote, unauthenticated attacker to conduct a cross-site request forgery (CSRF) attack . Only SSL VPN in web mode or full mode are impacted by this…

Severity
High 8.8
Published
8 Dec 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Fortinet FortiProxyServers and applications · cpe:a:fortinet:fortiproxy
  • From 1.2.0 up to 1.2.11
  • From 2.0.0 up to 2.0.3
Fortinet FortiOSServers and applications · cpe:o:fortinet:fortios
  • From 5.6.0 up to 5.6.14
  • From 6.0.0 up to 6.0.13
  • From 6.2.0 up to 6.2.9
  • From 6.4.0 up to 6.4.6
  • Version 7.0.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-26103
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-26103