CVE-2023-27997

critical Fortinet ⚠️ CISA KEV — Exploited in the Wild
CVSS v3 Base Score
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
85.7%
Exploitation probability in 30 days
Top 0% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: June 13, 2023 (1181 days ago)
Last Modified: July 31, 2026
Vendor: Fortinet
Source: NVD

⚠️ CISA Known Exploited Vulnerability

Added to KEV: 2023-06-13
Remediation Due: 2023-07-04 (⚠ 1160d overdue)
Ransomware Campaign: Known

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.

CWE

CWE-122

Affected Products

fortinet fortiproxyfortinet fortios

References

🔗 fortiguard.com 🔗 fortiguard.com 🔗 www.cisa.gov