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ExploitedIn CISA KEVFix available

CVE-2021-44168

Exploitation confirmed. First attested on 2021-12-10 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2022-01-04
  • Fixed in7.0.3 · 6.4.8 · 6.2.10 · 6.0.14
  • WeaknessCWE-494

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2021-12-10Added to the CISA KEV catalogCISA KEV
  2. 2021-12-10Listed as exploited by GCVEGCVE
  3. 2021-12-10Exploitation first reportedCISA KEV
  4. 2022-01-0413:15CVE publishedNVD
  5. 2024-10-2220:20SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-44168?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-44168?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Fortinet FortiOS
BranchAffectedFixed in
7.0≥ 7.0.0, < 7.0.37.0.3
6.4≥ 6.4.0, < 6.4.86.4.8
6.2≥ 6.2.0, < 6.2.106.2.10
6.0< 6.0.146.0.14

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As fortinet, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Fortinet FortiOS
    Affected
    • = FortiOS before 7.0.3no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-01-04

Fix

  1. Update Fortinet FortiOS to 7.0.3 · 6.4.8 · 6.2.10 · 6.0.14
  2. CISA’s required action: Apply updates per vendor instructions.due 2021-12-24

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverified0xhaggis/CVE-2021-44168
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2021-12-10
Patch Due Date
2021-12-24
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2022-01-04
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-689x-phc2-9p4m

Frequently asked questions

What is CVE-2021-44168?

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.

Is CVE-2021-44168 actively exploited?

Yes. CVE-2021-44168 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2021-12-24.

What is the CVSS score for CVE-2021-44168?

CVE-2021-44168 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record