CVE-2024-40711

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 2024-10-17), 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.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 90%CVSS: 9.8Exploit: cisa kev · ssvc active · kev ransomware · epss top5pct · epss high · public exploitExposed: 0

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

A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).

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
90%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

September 7, 2024

Last Modified

October 30, 2025

Advisory Details (3)

Auto-updated Sep 17, 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-2024-40711
generic

Veeam Backup & Response - RCE With Auth, But Mostly Without Auth (CVE-2024-40711)

https://labs.watchtowr.com/veeam-backup-response-rce-with-auth-but-mostly-without-auth-cve-2024-40711-2/
generic

KB4649: Veeam Security Bulletin (September 2024)

https://www.veeam.com/kb4649

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 54× in last 7d / 226× 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 839 total refreshes for this CVE.

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

Publicly available exploits

(3 references)

Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCrealstatus/CVE-2024-40711-Exp
    First seen Oct 16, 2024

    CVE-2024-40711-exp

    Open source ↗
  • GitHub PoCwatchtowrlabs/CVE-2024-40711
    First seen Sep 15, 2024

    Pre-Auth Exploit for CVE-2024-40711

    Open source ↗
  • Nucleihttp/cves/2024/CVE-2024-40711.yaml
    First seen Jan 1, 2024

    Veeam Backup & Replication - Unauthenticated

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2024-40711?
CVE-2024-40711 is a critical vulnerability published on September 7, 2024. A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).
When was CVE-2024-40711 disclosed?
CVE-2024-40711 was first published in the National Vulnerability Database on September 7, 2024, with the most recent update on October 30, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-40711 actively exploited?
Yes. CISA added CVE-2024-40711 to the Known Exploited Vulnerabilities catalog on October 17, 2024, affecting Veeam Backup & Replication. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2024-40711?
CVE-2024-40711 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2024-40711?
CVE-2024-40711 affects Veeam Backup & Replication. 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-2024-40711?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-40711, 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-2024-40711

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