7.8

CVE-2021-44168: Fortinet FortiOS Arbitrary File Download

CVSS: 7.8v3.1HighKEVAnalyzed
Published 04-01-2022Last modified 21-10-2025
Open JSON

Vulnerability summary

CVE-2021-44168 is a high (CVSS 7.8) Download of Code Without Integrity Check vulnerability in Fortinet FortiOS. It is known to be exploited: CISA lists it, first on 10-12-2021. EPSS estimates a 0.86% chance of exploitation in the next 30 days, higher than 58% of scored vulnerabilities.

Overall risk
85/100
0100
Critical · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.86%
0%100%
Low · -0.01 pp in 30 days
KEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-12-2021
    Added to CISA KEVFortinet FortiOS Arbitrary File Download
  2. 24-12-2021
    CISA remediation dueApply updates per vendor instructions.
  3. 04-01-2022
    PublishedVulnerability first disclosed.
  4. 21-10-2025
    Last modifiedVulnerability information updated.

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 metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.86%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

-0.01 pp

From 0.87% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.86%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
10-12-2021
Federal due date
24-12-2021

CISA required action

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

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Fortinet2 products
  • fortinet fortiosFortiOS before 7.0.3
  • fortios< 6.0.14 | ≥ 6.2.0, < 6.2.10 | ≥ 6.4.0, < 6.4.8 | ≥ 7.0.0, < 7.0.3

1 vendor · 2 products

References

2 links