CVE-2021-44168

CRITICALNVD 3.39.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2021-12-10), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 3.3 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • 334 internet-exposed hosts are running an affected version right now
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 1%CVSS: 3.3Exploit: cisa kev · ssvc active · public exploitExposed: 334

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

Live · internet exposure

334 internet-exposed hosts are running an affected version of CVE-2021-44168 right now.

across 24 countries (United States, Canada, Australia, India, Brazil)top: fortios
See the live KEV-Exposure radar →Found passively from public internet-scan data — aggregate, host-redacted.

EchelonGraph is the only CVE feed that fuses live vulnerability intelligence with its own live internet-exposure radar — so you see not just that a CVE is exploited, but how much of the internet is exposed to it right now.

CVSS v3
3.3
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
57%
KEV
⚠ Exploited

Published

January 4, 2022

Last Modified

October 24, 2025

References (3)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 58× in last 7d / 260× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 863 total refreshes for this CVE.

  1. 2026-09-08 14:27 UTCGHSA enrichment
  2. 2026-09-08 10:40 UTCGHSA enrichment
  3. 2026-09-08 06:51 UTCGHSA enrichment
  4. 2026-09-08 03:02 UTCGHSA enrichment
  5. 2026-09-07 23:16 UTCGHSA enrichment
  6. 2026-09-07 19:30 UTCEG score recompute
  7. 2026-09-07 19:30 UTCGHSA enrichment
  8. 2026-09-07 15:58 UTCEPSS rescore
  9. 2026-09-07 15:44 UTCGHSA enrichment
  10. 2026-09-07 11:58 UTCGHSA enrichment
  11. 2026-09-07 08:09 UTCGHSA enrichment
  12. 2026-09-07 04:23 UTCGHSA enrichment
  13. 2026-09-07 00:35 UTCGHSA enrichment
  14. 2026-09-06 20:48 UTCGHSA enrichment
  15. 2026-09-06 17:02 UTCEG score recompute
  16. 2026-09-06 17:02 UTCGHSA enrichment
  17. 2026-09-06 13:45 UTCEPSS rescore
  18. 2026-09-06 13:15 UTCGHSA enrichment
  19. 2026-09-06 09:29 UTCGHSA enrichment
  20. 2026-09-06 05:43 UTCGHSA enrichment
  21. 2026-09-06 01:56 UTCGHSA enrichment
  22. 2026-09-05 22:09 UTCGHSA enrichment
  23. 2026-09-05 18:22 UTCEG score recompute
  24. 2026-09-05 18:22 UTCGHSA enrichment
  25. 2026-09-05 15:25 UTCEPSS rescore
Show 75 more
  1. 2026-09-05 14:36 UTCGHSA enrichment
  2. 2026-09-05 10:50 UTCGHSA enrichment
  3. 2026-09-05 07:04 UTCGHSA enrichment
  4. 2026-09-05 03:18 UTCGHSA enrichment
  5. 2026-09-04 23:32 UTCGHSA enrichment
  6. 2026-09-04 19:45 UTCGHSA enrichment
  7. 2026-09-04 17:38 UTCCISA KEV update
  8. 2026-09-04 15:56 UTCEG score recompute
  9. 2026-09-04 15:56 UTCGHSA enrichment
  10. 2026-09-04 13:57 UTCEPSS rescore
  11. 2026-09-04 12:11 UTCGHSA enrichment
  12. 2026-09-04 08:25 UTCEG score recompute
  13. 2026-09-04 08:25 UTCGHSA enrichment
  14. 2026-09-04 05:03 UTCEPSS rescore
  15. 2026-09-04 04:37 UTCGHSA enrichment
  16. 2026-09-04 00:48 UTCGHSA enrichment
  17. 2026-09-03 21:01 UTCGHSA enrichment
  18. 2026-09-03 17:15 UTCGHSA enrichment
  19. 2026-09-03 13:29 UTCGHSA enrichment
  20. 2026-09-03 09:42 UTCGHSA enrichment
  21. 2026-09-03 05:57 UTCGHSA enrichment
  22. 2026-09-03 02:10 UTCGHSA enrichment
  23. 2026-09-02 22:20 UTCGHSA enrichment
  24. 2026-09-02 18:32 UTCGHSA enrichment
  25. 2026-09-02 17:33 UTCCISA KEV update
  26. 2026-09-02 14:45 UTCEG score recompute
  27. 2026-09-02 14:45 UTCGHSA enrichment
  28. 2026-09-02 14:09 UTCEPSS rescore
  29. 2026-09-02 10:58 UTCGHSA enrichment
  30. 2026-09-02 07:08 UTCGHSA enrichment
  31. 2026-09-02 03:22 UTCGHSA enrichment
  32. 2026-09-01 23:33 UTCGHSA enrichment
  33. 2026-09-01 19:47 UTCGHSA enrichment
  34. 2026-09-01 16:01 UTCEG score recompute
  35. 2026-09-01 16:01 UTCGHSA enrichment
  36. 2026-09-01 13:50 UTCEPSS rescore
  37. 2026-09-01 12:12 UTCGHSA enrichment
  38. 2026-09-01 08:25 UTCGHSA enrichment
  39. 2026-09-01 04:39 UTCEG score recompute
  40. 2026-09-01 04:39 UTCGHSA enrichment
  41. 2026-09-01 03:33 UTCEPSS rescore
  42. 2026-09-01 00:53 UTCGHSA enrichment
  43. 2026-08-31 21:06 UTCGHSA enrichment
  44. 2026-08-31 17:19 UTCGHSA enrichment
  45. 2026-08-31 14:19 UTCCISA KEV update
  46. 2026-08-31 13:32 UTCGHSA enrichment
  47. 2026-08-31 09:45 UTCGHSA enrichment
  48. 2026-08-31 05:58 UTCGHSA enrichment
  49. 2026-08-31 02:12 UTCGHSA enrichment
  50. 2026-08-30 22:26 UTCEG score recompute
  51. 2026-08-30 22:26 UTCGHSA enrichment
  52. 2026-08-30 19:14 UTCEPSS rescore
  53. 2026-08-30 19:14 UTCEPSS rescore
  54. 2026-08-30 18:41 UTCGHSA enrichment
  55. 2026-08-30 14:55 UTCGHSA enrichment
  56. 2026-08-30 11:09 UTCGHSA enrichment
  57. 2026-08-30 07:23 UTCGHSA enrichment
  58. 2026-08-30 03:37 UTCEG score recompute
  59. 2026-08-30 03:37 UTCGHSA enrichment
  60. 2026-08-30 01:19 UTCEPSS rescore
  61. 2026-08-29 23:51 UTCGHSA enrichment
  62. 2026-08-29 20:05 UTCGHSA enrichment
  63. 2026-08-29 16:17 UTCGHSA enrichment
  64. 2026-08-29 12:31 UTCGHSA enrichment
  65. 2026-08-29 08:43 UTCGHSA enrichment
  66. 2026-08-29 04:54 UTCGHSA enrichment
  67. 2026-08-29 01:07 UTCEG score recompute
  68. 2026-08-29 01:07 UTCGHSA enrichment
  69. 2026-08-28 21:37 UTCEPSS rescore
  70. 2026-08-28 21:18 UTCGHSA enrichment
  71. 2026-08-28 17:28 UTCGHSA enrichment
  72. 2026-08-28 13:40 UTCGHSA enrichment
  73. 2026-08-28 09:52 UTCGHSA enrichment
  74. 2026-08-28 06:04 UTCGHSA enrichment
  75. 2026-08-28 02:17 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoC0xhaggis/CVE-2021-44168
    First seen Feb 8, 2023

    A download of code without integrity check vulnerability in the "execute restore src-vis" command of FortiOS before 7.0.3.

    Open source ↗

Frequently asked(6)

What is CVE-2021-44168?
CVE-2021-44168 is a critical vulnerability published on January 4, 2022. 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.
When was CVE-2021-44168 disclosed?
CVE-2021-44168 was first published in the National Vulnerability Database on January 4, 2022, with the most recent update on October 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-44168 actively exploited?
Yes. CISA added CVE-2021-44168 to the Known Exploited Vulnerabilities catalog on December 10, 2021, affecting Fortinet FortiOS. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2021-44168?
CVE-2021-44168 has a CVSS v3 base score of 3.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2021-44168?
CVE-2021-44168 affects Fortinet FortiOS. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2021-44168?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-44168, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2021-44168

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