Heap-Based Buffer Overflow in Fortinet FortiWeb's LogReport API
CVE-2021-43071

8.8HIGH

Key Information:

Vendor

Fortinet
Status
Fortinet Fortiweb
Vendor
CVE Published:
9 December 2021

What is CVE-2021-43071?

A heap-based buffer overflow vulnerability exists in Fortinet FortiWeb versions 6.4.1, 6.4.0, 6.3.15, and earlier versions. This flaw allows an attacker to execute unauthorized code or commands by sending specially crafted HTTP requests to the LogReport API controller. Exploiting this vulnerability could potentially lead to significant security breaches, giving unauthorized access to sensitive system functionalities.

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Affected Version(s)

Fortinet FortiWeb FortiWeb 6.4.1, 6.4.0, 6.3.16, 6.3.15, 6.3.14, 6.3.13, 6.3.12, 6.3.11, 6.3.10, 6.3.9, 6.3.8, 6.3.7, 6.3.6, 6.3.5, 6.3.4, 6.3.3, 6.3.2, 6.3.1, 6.3.0, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0

References

https://fortiguard.com/advisory/FG-IR-21-188
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CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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