VULNERABILITY INTELLIGENCE

CVE-2021-42757

CVSS score6.7 MEDIUM
EPSS probability0.52%
CISA KEVNot currently listed
Published2021-12-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Description

A buffer overflow [CWE-121] in the TFTP client library of FortiOS before 6.4.7 and FortiOS 7.0.0 through 7.0.2, may allow an authenticated local attacker to achieve arbitrary code execution via specially crafted command line arguments.

Weakness classification

  • psirt@fortinet.com: CWE-120
  • nvd@nist.gov: CWE-787

Primary references