Code Execution Vulnerability in FortiOS by Fortinet
CVE-2021-44168

7.8HIGH

Key Information:

Vendor
Fortinet
Status
Fortinet FortiOS
Vendor
CVE Published:
4 January 2022

Badges

👾 Exploit Exists🟡 Public PoC🦅 CISA Reported

Summary

A vulnerability exists in FortiOS that allows local authenticated attackers to download arbitrary files via the 'execute restore src-vis' command. This issue stems from the absence of integrity checks when processing specially crafted update packages, potentially compromising the security of the affected device.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Fortinet FortiOS FortiOS before 7.0.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-44168
Created by 0xhaggis

References

https://fortiguard.com/psirt/FG-IR-21-201
x_refsource_CONFIRM

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • Vulnerability published

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability Reserved

.