CVE-2021-42755

CWE-190Integer Overflow4 documents4 sources
Severity
4.3MEDIUM
EPSS
0.1%
top 72.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJul 18
Latest updateJul 19

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.

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 2.8 | Impact: 1.4

Affected Packages5 packages

NVDfortinet/fortiproxy1.0.01.0.7+4
NVDfortinet/fortiswitch6.0.06.0.7+3
NVDfortinet/fortios66 versions+65
NVDfortinet/fortivoice41 versions+40

Patches

🔴Vulnerability Details

2
GHSA
GHSA-v985-ffxm-2rhh: An integer overflow / wraparound vulnerability [CWE-190] in FortiSwitch 72022-07-19
CVEList
CVE-2021-42755: An integer overflow / wraparound vulnerability [CWE-190] in FortiSwitch 72022-07-18

📋Vendor Advisories

1
Fortinet
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;...2022-07-18
CVE-2021-42755 (MEDIUM CVSS 4.3) | An integer overflow / wraparound vu | cvebase.io