CVEvulnerability
CVE-2021-36173
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-12-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.0 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-787
Description
A heap-based buffer overflow in the firmware signature verification function of FortiOS versions 7.0.1, 7.0.0, 6.4.0 through 6.4.6, 6.2.0 through 6.2.9, and 6.0.0 through 6.0.13 may allow an attacker to execute arbitrary code via specially crafted installation images.
Affected configurations
• fortinet fortios (>= 6.0.0 <= 6.0.13)
• fortinet fortios (>= 6.2.0 <= 6.2.9)
• fortinet fortios (>= 6.4.0 <= 6.4.6)
• fortinet fortios 7.0.0
• fortinet fortios 7.0.1
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://fortiguard.com/advisory/FG-IR-21-115 Patch, Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-21-115 Patch, Vendor Advisory