CVE-2021-24018
MEDIUM severity · CVSS 4.3 · Out-of-bounds write
4.3CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorAdjacent
Attack complexityLow
Privileges requiredHigh
User interactionNone
Confidentiality impactLow
Integrity impactLow
Availability impactLow
Exploit probability (EPSS)1%
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.