CVE-2024-21762

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-02-09), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 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
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • 1 internet-exposed host is running an affected version right now
  • Actively exploited in the wild (CISA-KEV)
  • Linked to ransomware campaigns
CISA-KEV: ExploitedEPSS PROB: 84%CVSS: 9.8Exploit: cisa kev · ssvc active · kev ransomware · epss top5pct · epss high · public exploitExposed: 1

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

A out-of-bounds write in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15, 6.0.0 through 6.0.17, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14, 2.0.0 through 2.0.13, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6, 1.0.0 through 1.0.7 allows attacker to execute unauthorized code or commands via specifically crafted requests

Live · internet exposure

1 internet-exposed host is running an affected version of CVE-2024-21762 right now.

across 1 countries (United States)top: fortios🔒 ransomware-linked
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
9.8
EG Score
9.8(high)
EG Risk
99(Act)
EG Risk 99/100SSVC: Act

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
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
84%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

February 9, 2024

Last Modified

August 4, 2026

Advisory Details (2)

Auto-updated Aug 4, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21762
generic🔴 Active Exploitation

PSIRT | FortiGuard Labs

https://fortiguard.com/psirt/FG-IR-24-015

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 51× in last 7d / 209× 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 515 total refreshes for this CVE.

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

Publicly available exploits

(5 references)

Working exploit code is in the public domain (5 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCabrewer251/CVE-2024-21762_FortiNet_PoC
    First seen May 22, 2025

    Proof-of-concept scanner targeting CVE-2024-21762 in FortiOS SSL VPN’s /remote/hostcheck_validate endpoint with reverse shell payload delivery.

    Open source ↗
  • GitHub PoCd0rb/CVE-2024-21762
    First seen Mar 17, 2024

    The PoC demonstrates the potential for remote code execution by exploiting the identified security flaw.

    Open source ↗
  • GitHub PoCh4x0r-dz/CVE-2024-21762
    First seen Mar 13, 2024

    out-of-bounds write in Fortinet FortiOS CVE-2024-21762 vulnerability

    Open source ↗
  • GitHub PoCr4p3c4/CVE-2024-21762-Exploit-PoC-Fortinet-SSL-VPN-Check
    First seen Mar 13, 2024

    Chequea si tu firewall es vulnerable a CVE-2024-21762 (RCE sin autenticación)

    Open source ↗
  • GitHub PoCBishopFox/cve-2024-21762-check
    First seen Feb 28, 2024

    Safely detect whether a FortiGate SSL VPN is vulnerable to CVE-2024-21762

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2024-21762?
CVE-2024-21762 is a critical vulnerability published on February 9, 2024. A out-of-bounds write in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15, 6.0.0 through 6.0.17, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14, 2.0.0 through 2.0.13, 1.2.0…
When was CVE-2024-21762 disclosed?
CVE-2024-21762 was first published in the National Vulnerability Database on February 9, 2024, with the most recent update on August 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-21762 actively exploited?
Yes. CISA added CVE-2024-21762 to the Known Exploited Vulnerabilities catalog on February 9, 2024, affecting Fortinet FortiOS. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2024-21762?
CVE-2024-21762 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2024-21762?
CVE-2024-21762 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-2024-21762?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-21762, 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-2024-21762

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