9.8
CVSSv3

CVE-2021-26109

Published: 08/12/2021 Updated: 09/12/2021
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

An integer overflow or wraparound vulnerability in the memory allocator of SSLVPN in FortiOS prior to 7.0.1 may allow an unauthenticated malicious user to corrupt control data on the heap via specifically crafted requests to SSLVPN, resulting in potentially arbitrary code execution.

Vulnerability Trend

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fortinet fortios

fortinet fortios 7.0.0