CVE-2023-27997

CRITICALCVSS 9.8Known Exploited

CISA Known Exploited Vulnerability

https://www.fortiguard.com/psirt/FG-IR-23-097; https://nvd.nist.gov/vuln/detail/CVE-2023-27997

Remediation deadline: July 4, 2023

Ransomware use: Known

Description

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

Timeline

Published:June 13th, 2023 9:15 AM

Last modified:July 31st, 2026 4:16 AM

Added to KEV:June 13th, 2023

CVSS Scoring

CVSS v3: 9.8 (CRITICAL)

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

Affected Software

From NVD CPE configuration data

Vendors

fortinet

Products

fortiproxyfortios

Weaknesses (CWE)

CWE-122 CWE-787

References & Reports

Advisories, patches, and third-party reports

https://fortiguard.com/psirt/FG-IR-23-097Vendor Advisory
https://fortiguard.com/psirt/FG-IR-23-097Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-27997US Government Resource

Source: NIST NVD · Data may lag official sources by up to one minute