Vulnerability Details : CVE-2021-24018
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.
Vulnerability category: Execute code
Products affected by CVE-2021-24018
- cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
- cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-24018
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 37 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-24018
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:A/AC:L/Au:N/C:P/I:P/A:P |
6.5
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L |
0.9
|
3.4
|
Fortinet, Inc. |
References for CVE-2021-24018
-
https://fortiguard.com/advisory/FG-IR-21-046
FortiOS - Buffer Underwrite in firmware verification | FortiGuardVendor Advisory
Jump to