VULNERABILITY INTELLIGENCE
CVE-2023-27997
CVSS score9.8 CRITICAL
EPSS probability85.69%
CISA KEVKnown exploited vulnerability
Published2023-06-13
Last modified2026-07-31
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Known Exploited Vulnerability
Fortinet FortiOS and FortiProxy SSL-VPN Heap-Based Buffer Overflow Vulnerability
Vendor / product: Fortinet / FortiOS and FortiProxy SSL-VPN
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.
Weakness classification
- psirt@fortinet.com: CWE-122
- nvd@nist.gov: CWE-787
Primary references
- psirt@fortinet.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource