Buffer overflow in Fortinet Fortios
CVE-2023-33308
A stack-based overflow vulnerability [CWE-124] in Fortinet FortiOS version 7.0.0 through 7.0.10 and 7.2.0 through 7.2.3 and FortiProxy version 7.0.0 through 7.0.9 and 7.2.0 through 7.2.2 allows a remote unauthenticated attacker to execute arbitrary code or command via crafted packets reaching proxy policies or firewall policies with proxy mode alongside deep or full packet inspection.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Fortinet Fortios — versions 7.2.0, 7.0.0
- Fortinet Fortiproxy — versions 7.0.0, 7.2.1, 7.2.0
Weakness classification (CWE)
References
- fortiguard.com/psirt/FG-IR-23-183 (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-33308?
- CVE-2023-33308 is a critical-severity vulnerability in Fortinet Fortios, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2023-07-26.
- How severe is CVE-2023-33308?
- Critical severity. CVSS v3 base score is 9.8 out of 10.