CVE-2023-27997 KEV
9.8
CRITICAL · CVSS 3.1 · EPSS 85.7% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2023-07-04.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 85.69% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-122 |
| On CISA KEV | yes — remediate by 2023-07-04 |
| Public exploit | none known |
| Published | 2023-06-13 |
| Last modified | 2026-07-31 |
CISA KEV
| Name | Fortinet FortiOS and FortiProxy SSL-VPN Heap-Based Buffer Overflow Vulnerability |
|---|---|
| Added | 2023-06-13 |
| Due | 2023-07-04 |
| Vendor / product | Fortinet / FortiOS and FortiProxy SSL-VPN |
| Ransomware use | known |
Affected (4)
| Vendor | Product |
|---|---|
| fortinet | fortigate 6000 |
| fortinet | fortigate 7000 |
| fortinet | fortios |
| fortinet | fortiproxy |
References
→ the Explorer · watch your stack · NVD