All vulnerabilities
CVE-2022-42475

Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability

Fortinet FortiOSNetwork & edge
Open in ThreatlineRecord JSON
CVSS
9.3Critical
ExploitationExploited in the wildAdded to KEV 13 Dec 2022. Known ransomware useCISA KEV
Exploit odds (EPSS)99.5%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline3 Jan 2023Remediation 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. 13 Dec 2022Added to CISA KEVCISA KEV
  2. 2 Jan 2023, 08:18 UTCPublishedCVE List

Description

Multiple versions of Fortinet FortiOS SSL-VPN contain a heap-based buffer overflow vulnerability which can allow an unauthenticated, remote attacker to execute arbitrary code or commands via specifically crafted requests.

Text from CVE List

Affected versions 15

  • FortiProxyaffected: 7.2.0 through 7.2.1CVE List
  • FortiProxyaffected: 7.0.0 through 7.0.7CVE List
  • FortiProxyaffected: 2.0.0 through 2.0.11CVE List
  • FortiProxyaffected: 1.2.0 through 1.2.13CVE List
  • FortiProxyaffected: 1.1.0 through 1.1.6CVE List
  • FortiProxyaffected: 1.0.0 through 1.0.7CVE List
  • FortiOSaffected: 7.2.0 through 7.2.2CVE List
  • FortiOSaffected: 7.0.0 through 7.0.8CVE List
  • FortiOSaffected: 6.4.0 through 6.4.10CVE List
  • FortiOSaffected: 6.2.0 through 6.2.11CVE List
  • FortiOSaffected: 6.0.0 through 6.0.15CVE List
  • FortiOSaffected: 5.6.0 through 5.6.14CVE List
  • FortiOSaffected: 5.4.0 through 5.4.13CVE List
  • FortiOSaffected: 5.2.0 through 5.2.15CVE List
  • FortiOSaffected: 5.0.0 through 5.0.14CVE List

References 4