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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-42755 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 3.x Severity and Vector Strings:

NIST CVSS score matches with CNA score
CNA:  Fortinet, Inc.
Base Score:  4.3 MEDIUM
Vector:  CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://fortiguard.com/psirt/FG-IR-21-155 Patch  Vendor Advisory 
https://fortiguard.com/psirt/FG-IR-21-155 Patch  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-190 Integer Overflow or Wraparound cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		From (including)
1.0.0		Up to (including)
1.0.7
 cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		From (including)
1.1.0		Up to (including)
1.1.6
 cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		From (including)
1.2.0		Up to (including)
1.2.13
 cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		From (including)
2.0.0		Up to (including)
2.0.6
 cpe:2.3:a:fortinet:fortiproxy:7.0.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.3:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.4:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.5:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.7:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.8:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.10:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.11:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.12:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.13:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.14:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.15:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.16:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.17:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.18:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.19:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.20:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.21:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.22:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.23:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.24:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.25:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:5.3.26:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:6.0.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:6.0.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:6.0.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:6.0.3:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:6.0.4:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:6.0.5:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:6.0.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:6.0.7:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:6.0.8:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:6.0.9:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:6.0.10:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:6.4.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:6.4.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:6.4.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:a:fortinet:fortivoice:6.4.3:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.4.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.4.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.4.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.4.3:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.4.4:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.4.5:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.4.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.4.7:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.4.8:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.4.9:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.4.10:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.4.11:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.4.12:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.4.13:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.6.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.6.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.6.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.6.3:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.6.4:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.6.5:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.6.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.6.7:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.6.8:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.6.9:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.6.10:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.6.11:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.6.12:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.6.13:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:5.6.14:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.0.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.0.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.0.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.0.3:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.0.4:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.0.5:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.0.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.0.7:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.0.8:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.0.9:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.0.10:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.0.11:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.0.12:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.0.13:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.0.14:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.2.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.2.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.2.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.2.3:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.2.4:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.2.5:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.2.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.2.7:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.2.8:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.2.9:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.2.10:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.4.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.4.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.4.3:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.4.4:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.4.5:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.4.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:6.4.7:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:7.0.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortios:7.0.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortirecorder_firmware:6.0.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortirecorder_firmware:6.0.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortirecorder_firmware:6.0.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortirecorder_firmware:6.0.3:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortirecorder_firmware:6.0.4:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortirecorder_firmware:6.0.5:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortirecorder_firmware:6.0.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortirecorder_firmware:6.0.7:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortirecorder_firmware:6.0.8:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortirecorder_firmware:6.0.9:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortirecorder_firmware:6.0.10:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortirecorder_firmware:6.4.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortirecorder_firmware:6.4.1:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortirecorder_firmware:6.4.2:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:fortinet:fortiswitch:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		From (including)
6.0.0		Up to (including)
6.0.7
 cpe:2.3:o:fortinet:fortiswitch:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		From (including)
6.2.0		Up to (including)
6.2.7
 cpe:2.3:o:fortinet:fortiswitch:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		From (including)
6.4.0		Up to (including)
6.4.9
 cpe:2.3:o:fortinet:fortiswitch:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		From (including)
7.0.0		Up to (including)
7.0.2

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

44 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-42755
NVD Published Date:
07/18/2022
NVD Last Modified:
11/21/2024
Source:
Fortinet, Inc.