All vulnerabilities
CVE-2018-13383

Fortinet FortiOS and FortiProxy Out-of-bounds Write

Fortinet FortiOS and FortiProxyNetwork & edge
Open in ThreatlineRecord JSON
CVSS
4.3Medium
ExploitationExploited in the wildAdded to KEV 10 Jan 2022. Known ransomware useCISA KEV
Exploit odds (EPSS)33.6%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline10 Jul 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 29 May 2019, 17:20 UTCPublishedCVE List
  2. 10 Jan 2022Added to CISA KEVCISA KEV

Description

A heap buffer overflow in Fortinet FortiOS and FortiProxy may cause the SSL VPN web service termination for logged in users.

Text from CVE List

Affected versions 1

  • Fortinet FortiOS and FortiProxyaffected: FortiOS 6.0.0 through 6.0.4, 5.6.0 through 5.6.10, 5.4.0 through 5.4.12, 5.2.14 and earlier, FortiProxy 2.0.0, 1.2.8 and earlierCVE List

References 4