Junglewise Threat Intelligence

CVE-2022-42475: Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability

CVE-2022-42475 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-12-13

Technologies: Fortinet FortiProxy SSL-VPN, Fortinet FortiOS, Fortinet FortiADC, Fortinet FortiProxy. Vendors: Fortinet.

Executive brief

A heap-based buffer overflow vulnerability in Fortinet FortiOS and FortiProxy SSL-VPN allows a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted requests. This vulnerability has been observed being exploited in the wild.

Affected products

  • Fortinet FortiOS SSL-VPN 7.2.0 through 7.2.2, 7.0.0 through 7.0.8, 6.4.0 through 6.4.10, 6.2.0 through 6.2.11, 6.0.15 and earlier
  • Fortinet FortiProxy SSL-VPN 7.2.0 through 7.2.1, 7.0.7 and earlier

Timeline

  • 2022-12-13: disclosed
  • 2022-12-13: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

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