Risk Letters

Exploited vulnerability

CVE-2024-21762

TLP:CLEAR

Fortinet FortiOS Out-of-Bound Write Vulnerability

Fortinet FortiOS contains an out-of-bound write vulnerability that allows a remote unauthenticated attacker to execute code or commands via specially crafted HTTP requests.

Facts

  • Vendor: Fortinet
  • Product: FortiOS
  • CVSS: 9.6
  • EPSS (probability of exploitation within 30 days): 84.6 %
  • On CISA's Known Exploited Vulnerabilities list since: 9 February 2024
  • First known exploitation: 9 February 2024
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 16 February 2024
  • Weakness: CWE-787
  • First seen by Risk Letters: 9 February 2024

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD