SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2021-44168

Fortinet FortiOS Arbitrary File Download

KEVHIGH 7.8EPSS 0.87%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 24 December 2021). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

A download of code without integrity check vulnerability in the "execute restore src-vis" command of FortiOS before 7.0.3 may allow a local authenticated attacker to download arbitrary files on the device via specially crafted update packages.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.87% probability · 57th percentile
CISA KEV
Listed 10 December 2021 · due 24 December 2021
Weakness
CWE-494
Affected
fortinet/fortios
Source
psirt@fortinet.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2021-44168

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.