Buffer Overflow in Fortinet FortiAnalyzer, FortiManager, and FortiOS
CVE-2021-43072

6.3HIGH

Key Information:

Vendor

Fortinet
Status
Fortianalyzer
Fortimanager
Vendor
CVE Published:
18 July 2023

What is CVE-2021-43072?

A buffer copy without size checks vulnerability exists in Fortinet's FortiAnalyzer, FortiManager, FortiOS, and FortiProxy products. This flaw allows attackers to execute unauthorized commands or code through specially crafted CLI operations such as execute restore image and execute certificate remote, leveraging the tFTP protocol. Affected versions span various releases, creating significant risks for systems that remain unpatched.

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Affected Version(s)

FortiAnalyzer 7.0.0 <= 7.0.2

FortiAnalyzer 6.4.0 <= 6.4.7

FortiAnalyzer 6.2.0 <= 6.2.12

References

https://fortiguard.com/advisory/FG-IR-21-206

CVSS V3.1

Score:
6.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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