Fortinet FortiOS and FortiProxy Out-of-bounds Write (CVE-2018-13383)
Severity: medium · Patch status: patched · Since 2022-01-10 · CVE-2018-13383
A heap buffer overflow in Fortinet FortiOS and FortiProxy may cause the SSL VPN web service termination for logged in users. CISA added CVE-2018-13383 to its Known Exploited Vulnerabilities catalog on Jan 10, 2022, which means attackers are exploiting it in the wild. CISA reports known use in ransomware campaigns.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Jul 10, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch