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Servers and applications

CVE-2016-7541

Long lived sessions in Fortinet FortiGate devices with FortiOS 5.x before 5.4.0 could violate a security policy during IPS signature updates when the FortiGate's IPSengine is configured in flow mode. All FortiGate versions with IPS configured in proxy mode (the default mode) are not affected.

Severity
Medium 5.9
Published
30 Mar 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1% in the next 30 daysHigher than 61% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
CWE-254
Attack
Over the network · Only under certain conditions · No login needed · No user action needed
Attacker can
Change data
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Sources
NVD

Affected software

SoftwareAffected versions
Fortinet FortiOSServers and applications · cpe:o:fortinet:fortios
  • Version 5.2.10
  • Version 5.2.9
  • Version 5.2.8
  • Version 5.2.7
All 26 release lines
  • Version 5.0.0
  • Version 5.0.1
  • Version 5.0.2
  • Version 5.0.3
  • Version 5.0.4
  • Version 5.0.5
  • Version 5.0.6
  • Version 5.0.7
  • Version 5.0.8
  • Version 5.0.9
  • Version 5.0.10
  • Version 5.0.11
  • Version 5.0.12
  • Version 5.0.13
  • Version 5.0.14
  • Version 5.2.0
  • Version 5.2.1
  • Version 5.2.2
  • Version 5.2.3
  • Version 5.2.4
  • Version 5.2.5
  • Version 5.2.6
  • Version 5.2.7
  • Version 5.2.8
  • Version 5.2.9
  • Version 5.2.10

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-7541
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-7541