CVE-2020-15936 Information disclosure in Fortinet FortiOS

What is CVE-2020-15936?

CVE-2020-15936 is a low-severity vulnerability in Fortinet Fortios, published on 1 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A improper input validation in Fortinet FortiGate version 6.4.3 and below, version 6.2.5 and below, version 6.0.11 and below, version 5.6.13 and below allows attacker to disclose sensitive information via SNI Client Hello TLS packets.

Weakness: CWE-20

Which versions are affected by CVE-2020-15936?

It affects 1 product.

Products include Fortinet Fortios.

How do I fix CVE-2020-15936?

No fix has been published for CVE-2020-15936 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-15936 being exploited?

There is no known exploitation of CVE-2020-15936 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-57m7-2g72-pv8m.