Buffer overflow in Fortinet Fortiweb
CVE-2021-41017
Multiple heap-based buffer overflow vulnerabilities in some web API controllers of FortiWeb 6.4.1, 6.4.0, and 6.3.0 through 6.3.15 may allow a remote authenticated attacker to execute arbitrary code or commands via specifically crafted HTTP requests.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.019 (78.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Fortinet Fortiweb — versions FortiWeb 6.4.1, 6.4.0, 6.3.0 through 6.3.15
- Fortinet Fortiweb — versions 6.4.0, 6.4.1
Weakness classification (CWE)
References
- fortiguard.com/advisory/FG-IR-21-160 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-41017?
- CVE-2021-41017 is a high-severity vulnerability in Fortinet Fortiweb, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-12-08.
- How severe is CVE-2021-41017?
- High severity. CVSS v3 base score is 8.8 out of 10.