CVE-2015-5965 Security feature bypass in n/a

What is CVE-2015-5965?

CVE-2015-5965 is a medium-severity vulnerability in Fortinet Fortios, published on 11 Aug 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The SSL-VPN feature in Fortinet FortiOS before 4.3.13 only checks the first byte of the TLS MAC in finished messages, which makes it easier for remote attackers to spoof encrypted content via a crafted MAC field.

Weakness: CWE-20

Which versions are affected by CVE-2015-5965?

It affects 1 product.

Products include Fortinet Fortios.

How do I fix CVE-2015-5965?

No fix has been published for CVE-2015-5965 yet. Limit exposure of the affected software until one is available.

Is CVE-2015-5965 being exploited?

There is no known exploitation of CVE-2015-5965 in the wild and no public exploit code.

Other vulnerabilities in Fortinet Fortios

• CVE-2024-23113 Fortinet Multiple Products Format String Exploited Critical 9.8
• CVE-2022-40684 Fortinet Multiple Products Authentication Bypass Exploited Critical 9.8
• CVE-2024-55591 Fortinet FortiOS and FortiProxy Authentication Bypass Exploited Critical 9.6
• CVE-2024-21762 Fortinet FortiOS Out-of-Bound Write Exploited Critical 9.6
• CVE-2022-42475 Fortinet FortiOS Heap-Based Buffer Overflow Exploited Critical 9.3

All Fortinet Fortios vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-rhfx-7hwf-9qxj.