vulnerability
Fortinet FortiOS: Integer Overflow or Wraparound (CVE-2021-42755)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:A/AC:L/Au:N/C:N/I:N/A:P) | Jul 18, 2022 | Jul 27, 2022 | Aug 11, 2025 |
Severity
3
CVSS
(AV:A/AC:L/Au:N/C:N/I:N/A:P)
Published
Jul 18, 2022
Added
Jul 27, 2022
Modified
Aug 11, 2025
Description
An integer overflow / wraparound vulnerability [CWE-190] in FortiSwitch 7.0.2 and below, 6.4.9 and below, 6.2.x, 6.0.x; FortiRecorder 6.4.2 and below, 6.0.10 and below; FortiOS 7.0.2 and below, 6.4.8 and below, 6.2.10 and below, 6.0.x; FortiProxy 7.0.0, 2.0.6 and below, 1.2.x, 1.1.x, 1.0.x; FortiVoiceEnterprise 6.4.3 and below, 6.0.10 and below dhcpd daemon may allow an unauthenticated and network adjacent attacker to crash the dhcpd deamon, resulting in potential denial of service.
Solution
fortios-upgrade-latest
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