CVE-2020-15415

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 2024-09-30), 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
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 85%CVSS: 9.8Exploit: NoneExposed: 0

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

On DrayTek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1, cgi-bin/mainfunction.cgi/cvmcfgupload allows remote command execution via shell metacharacters in a filename when the text/x-python-script content type is used, a different issue than CVE-2020-14472.

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
99.7%
KEV
⚠ Exploited

Published

June 30, 2020

Last Modified

November 7, 2025

Advisory Details (3)

Auto-updated Jun 1, 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-2020-15415
generic

Security Advisory | DrayTek

https://www.draytek.com/about/security-advisory
generic

GitHub - CLP-team/Vigor-Commond-Injection · GitHub

https://github.com/CLP-team/Vigor-Commond-Injection

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 49× in last 7d / 214× 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 401 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

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

  • Nucleihttp/cves/2020/CVE-2020-15415.yaml
    First seen Jan 1, 2020

    DrayTek Vigor - Command Injection

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2020-15415?
CVE-2020-15415 is a critical vulnerability published on June 30, 2020. On DrayTek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1, cgi-bin/mainfunction.cgi/cvmcfgupload allows remote command execution via shell metacharacters in a filename when the text/x-python-script content type is used, a different issue than CVE-2020-14472.
When was CVE-2020-15415 disclosed?
CVE-2020-15415 was first published in the National Vulnerability Database on June 30, 2020, with the most recent update on November 7, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-15415 actively exploited?
Yes. CISA added CVE-2020-15415 to the Known Exploited Vulnerabilities catalog on September 30, 2024, affecting DrayTek Multiple Vigor Routers. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2020-15415?
CVE-2020-15415 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2020-15415?
CVE-2020-15415 affects DrayTek Multiple Vigor Routers. 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-2020-15415?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-15415, 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

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