Buffer overflow in Fortinet Fortios
CVE-2023-22640
A out-of-bounds write in Fortinet FortiOS version 7.2.0 through 7.2.3, FortiOS version 7.0.0 through 7.0.10, FortiOS version 6.4.0 through 6.4.11, FortiOS version 6.2.0 through 6.2.13, FortiOS all versions 6.0, FortiProxy version 7.2.0 through 7.2.1, FortiProxy version 7.0.0 through 7.0.7, FortiProxy all versions 2.0, FortiProxy all versions 1.2, FortiProxy all versions 1.1, FortiProxy all versions 1.0 allows an authenticated attacker to execute unauthorized code or commands via specifically crafted requests.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Fortinet Fortios — versions 7.2.0, 7.0.0, 6.4.0
- Fortinet Fortiproxy — versions 7.2.0, 7.0.0, 2.0.0
Weakness classification (CWE)
References
- fortiguard.com/psirt/FG-IR-22-475 (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-22640?
- CVE-2023-22640 is a high-severity vulnerability in Fortinet Fortios, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-05-03.
- How severe is CVE-2023-22640?
- High severity. CVSS v3 base score is 7.5 out of 10.