CVE-2023-27997
CVSS Score
9.2
EPSS Score
0.0%
EPSS Percentile
0th
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 |
| Vendor | fortinet |
| Product | fortios-6k7k |
| Ecosystems | |
| Industries | NetworkingSecurity |
| Published | Jun 13, 2023 |
| Last Updated | Oct 21, 2025 |
⚠️ Actively Exploited — Act Now
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:X/RC:R Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Fortinet / FortiOS-6K7K
7.0.10 7.0.5 6.4.12 6.4.10 6.4.8 6.4.6 6.4.2 6.2.9 ≤ 6.2.13 6.2.6 ≤ 6.2.7 6.2.4 6.0.12 ≤ 6.0.16 6.0.10
Fortinet / FortiProxy
7.2.0 ≤ 7.2.3 7.0.0 ≤ 7.0.9 2.0.0 ≤ 2.0.12 1.2.0 ≤ 1.2.13 1.1.0 ≤ 1.1.6
Fortinet / FortiOS
7.2.0 ≤ 7.2.4 7.0.0 ≤ 7.0.11 6.4.0 ≤ 6.4.12 6.2.0 ≤ 6.2.13 6.0.0 ≤ 6.0.16