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MEDIUM · 4.3

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 specifi...

Vulnerability 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.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW

Affected Products

VendorProductVersions
FortinetFortios< 6.2.10

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2021-24018?

CVE-2021-24018 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 specifi...

How severe is CVE-2021-24018?

CVE-2021-24018 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-24018?

Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Fortios.