CVE-2016-7541 Security feature bypass in FortiOS
Attackers can bypass security policies during IPS updates on FortiGate devices if IPS is configured in flow mode instead of the default proxy mode.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-7541?
CVE-2016-7541 is a medium-severity vulnerability in Fortinet Fortios, published on 30 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-254
Which versions are affected by CVE-2016-7541?
It affects 1 product.
Products include Fortinet Fortios.
How do I fix CVE-2016-7541?
No fix has been published for CVE-2016-7541 yet. Limit exposure of the affected software until one is available.
Is CVE-2016-7541 being exploited?
There is no known exploitation of CVE-2016-7541 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Fortios
Sources
Also known as GHSA-5qrm-hvcf-q4hg.