CVEvulnerability
CVE-2021-24018
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-08-04
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 5.8 MEDIUM — AV:A/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-787
Description
A buffer underwrite vulnerability in the firmware verification routine of FortiOS before 7.0.1 may allow an attacker located in the adjacent network to potentially execute arbitrary code via a specifically crafted firmware image.
Affected configurations
• fortinet fortios (< 6.2.10)
• fortinet fortios (>= 6.4.0 < 6.4.7)
• fortinet fortios 7.0.0
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
Referenced by CWE · observed example (1)
- CWE-124 Buffer Underwrite weakness
References
- https://fortiguard.com/advisory/FG-IR-21-046 Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-21-046 Vendor Advisory