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.
  • 52 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: 52

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

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

across 18 countries (United States, Thailand, United Kingdom, Hong Kong, Canada)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
55%
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 45× in last 7d / 240× 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 490 total refreshes for this CVE.

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

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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