CVE-2023-6943

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2024-01-30. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0

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

Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Mitsubishi Electric Corporation EZSocket versions 3.0 to 5.92, GT Designer3 Version1(GOT1000) versions 1.325P and prior, GT Designer3 Version1(GOT2000) versions 1.320J and prior, GX Works2 versions 1.11M to 1.626C, GX Works3 versions 1.106L and prior, MELSOFT Navigator versions 1.04E to 2.102G, MT Works2 versions 1.190Y and prior, MX Component versions 4.00A to 5.007H and MX OPC Server DA/UA all versions allows a remote unauthenticated attacker to execute a malicious code by RPC with a path to a malicious library while connected to the products.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
76.8%
KEV
Not listed

Published

January 30, 2024

Last Modified

September 19, 2025

Advisory Details (2)

Auto-updated Jun 1, 2026
Patch available. Sources: cisa.
cisa Patch Available

Mitsubishi Electric FA Engineering Software Products (Update D) | CISA

https://www.cisa.gov/news-events/ics-advisories/icsa-24-030-02
generic

JVNVU#95103362: 三菱電機製FAエンジニアリングソフトウェア製品における複数の脆弱性

https://jvn.jp/vu/JVNVU95103362

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 44× 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.

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

Frequently asked(5)

What is CVE-2023-6943?
CVE-2023-6943 is a critical vulnerability published on January 30, 2024. Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Mitsubishi Electric Corporation EZSocket versions 3.0 to 5.92, GT Designer3 Version1(GOT1000) versions 1.325P and prior, GT Designer3 Version1(GOT2000) versions 1.320J and prior, GX Works2 versions…
When was CVE-2023-6943 disclosed?
CVE-2023-6943 was first published in the National Vulnerability Database on January 30, 2024, with the most recent update on September 19, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-6943 actively exploited?
CVE-2023-6943 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 76.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-6943?
CVE-2023-6943 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-6943?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-6943, 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.

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