CVE-2018-14933

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 2024-12-18), 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 · Metasploit · Exploit-DB (verified) · 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.

upgrade_handle.php on NUUO NVRmini devices allows Remote Command Execution via shell metacharacters in the uploaddir parameter for a writeuploaddir command.

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
95%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

August 4, 2018

Last Modified

November 7, 2025

Advisory Details (3)

Auto-updated Sep 3, 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-2018-14933
generic🟡 PoC Available

NUUO NVRmini - upgrade_handle.php Remote Command Execution (Metasploit) - PHP remote Exploit

https://www.exploit-db.com/exploits/46340/
generic🟡 PoC Available

NUUO NVRmini - 'upgrade_handle.php' Remote Command Execution - Hardware webapps Exploit

https://www.exploit-db.com/exploits/45070/

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 53× in last 7d / 223× 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 730 total refreshes for this CVE.

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

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-46340✓ verified
    First seen Feb 11, 2019

    NUUO NVRmini - upgrade_handle.php Remote Command Execution (Metasploit)

    Open source ↗
  • Metasploitexploit/multi/http/nuuo_nvrmini_upgrade_rce✓ verified
    First seen Aug 4, 2018

    NUUO NVRmini upgrade_handle.php Remote Command Execution

    Open source ↗
  • Nucleihttp/cves/2018/CVE-2018-14933.yaml
    First seen Jan 1, 2018

    NUUO NVRmini - Remote Command Execution

    Open source ↗

Frequently asked(6)

What is CVE-2018-14933?
CVE-2018-14933 is a critical vulnerability published on August 4, 2018. upgrade_handle.php on NUUO NVRmini devices allows Remote Command Execution via shell metacharacters in the uploaddir parameter for a writeuploaddir command.
When was CVE-2018-14933 disclosed?
CVE-2018-14933 was first published in the National Vulnerability Database on August 4, 2018, 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-2018-14933 actively exploited?
Yes. CISA added CVE-2018-14933 to the Known Exploited Vulnerabilities catalog on December 18, 2024, affecting NUUO NVRmini Devices. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2018-14933?
CVE-2018-14933 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2018-14933?
CVE-2018-14933 affects NUUO NVRmini Devices. 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-2018-14933?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-14933, 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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