CVE-2021-36173

8HIGH

Key Information:

Vendor
Fortinet
Status
Fortinet FortiOS
Vendor
CVE Published:
8 December 2021

Summary

A heap-based buffer overflow in the firmware signature verification function of FortiOS versions 7.0.1, 7.0.0, 6.4.0 through 6.4.6, 6.2.0 through 6.2.9, and 6.0.0 through 6.0.13 may allow an attacker to execute arbitrary code via specially crafted installation images.

Affected Version(s)

Fortinet FortiOS FortiOS 7.0.1, 7.0.0, 6.4.0 through 6.4.6, 6.2.0 through 6.2.9, 6.0.0 through 6.0.13

References

https://fortiguard.com/advisory/FG-IR-21-115
x_refsource_CONFIRM

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.