CVE-2023-27997

CRITICAL9.8

CISA KEV

Published 2023-06-13 · Updated 2026-07-31 · Source psirt@fortinet.com

Description

A heap-based buffer overflow vulnerability [CWE-122] in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version 6.0.16 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, version 2.0.12 and below, version 1.2 all versions, version 1.1 all versions SSL-VPN may allow a remote attacker to execute arbitrary code or commands via specifically crafted requests.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-122CWE-787

CISA Known-Exploited Vulnerability

Product: Fortinet — FortiOS and FortiProxy SSL-VPN

Name: Fortinet FortiOS and FortiProxy SSL-VPN Heap-Based Buffer Overflow Vulnerability

Date added: 2023-06-13 · Due: 2023-07-04

USED IN RANSOMWARE

Required action: Apply updates per vendor instructions.

References

View on NVD

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