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Fortinet FortiOS: Integer Overflow or Wraparound (CVE-2021-26109)

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Fortinet FortiOS: Integer Overflow or Wraparound (CVE-2021-26109)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
12/08/2021
Created
12/14/2021
Added
12/13/2021
Modified
05/06/2022

Description

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

Solution(s)

  • fortios-upgrade-latest

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