CVE-2024-53704

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 2025-02-18), 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: 95%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.

An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
99(Attend)
EG Risk 99/100SSVC: 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
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
95%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

January 9, 2025

Last Modified

August 4, 2026

Advisory Details (2)

Auto-updated Sep 22, 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-2024-53704
generic

Security Advisory

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0003

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 50× in last 7d / 222× 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 793 total refreshes for this CVE.

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

Publicly available exploits

(2 references)

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 PoCistagmbh/CVE-2024-53704
    First seen Feb 11, 2025

    demonstriert, wie mittels missbräuchlicher Nutzung eines Swap-Cookies eine VPN-Session übernommen werden kann. Wichtig: Dieses Projekt dient ausschliesslich zu Bildungs- und Forschungszwecken – bitte nur in Umgebungen verwenden, in denen Du explizit authorisiert bist.

    Open source ↗
  • Nucleihttp/cves/2024/CVE-2024-53704.yaml
    First seen Jan 1, 2024

    SSL VPN Session Hijacking

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2024-53704?
CVE-2024-53704 is a critical vulnerability published on January 9, 2025. An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.
When was CVE-2024-53704 disclosed?
CVE-2024-53704 was first published in the National Vulnerability Database on January 9, 2025, 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-2024-53704 actively exploited?
Yes. CISA added CVE-2024-53704 to the Known Exploited Vulnerabilities catalog on February 18, 2025, affecting SonicWall SonicOS. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2024-53704?
CVE-2024-53704 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2024-53704?
CVE-2024-53704 affects SonicWall SonicOS. 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-2024-53704?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-53704, 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-2024-53704

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