CVE-2018-7242

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. 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.

Vulnerable hash algorithms exists in Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 controllers in all versions of the communication modules. The algorithm used to encrypt the password is vulnerable to hash collision attacks.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
77.9%
KEV
Not listed

Published

April 18, 2018

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Jul 3, 2026
No patch confirmed yet.
generic

Country Selector | Schneider Electric Global

https://www.schneider-electric.com/en/download/document/SEVD-2018-081-01/
generic
http://www.securityfocus.com/bid/103543

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× 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. 2026-07-15 16:55 UTCEPSS rescore
  2. 2026-07-15 01:56 UTCEPSS rescore
  3. 2026-07-13 22:27 UTCEPSS rescore
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  11. 2026-07-06 16:25 UTCEPSS rescore
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  17. 2026-07-01 15:03 UTCEPSS rescore
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  19. 2026-06-30 23:20 UTCEPSS rescore
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  21. 2026-06-28 14:04 UTCEPSS rescore
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  24. 2026-06-27 03:06 UTCEPSS rescore
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  1. 2026-06-25 13:47 UTCEPSS rescore
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  3. 2026-06-24 14:02 UTCEPSS rescore
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  5. 2026-06-23 21:30 UTCEPSS rescore
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  7. 2026-06-22 14:23 UTCEPSS rescore
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  9. 2026-06-21 14:54 UTCEPSS rescore
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  11. 2026-06-21 01:57 UTCEPSS rescore
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  13. 2026-06-19 19:23 UTCEPSS rescore
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  15. 2026-06-18 17:50 UTCEPSS rescore
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  18. 2026-06-16 17:50 UTCEPSS rescore
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  20. 2026-06-15 17:45 UTCEPSS rescore
  21. 2026-06-14 23:15 UTCEPSS rescore
  22. 2026-06-14 23:15 UTCEPSS rescore
  23. 2026-06-13 22:58 UTCEPSS rescore
  24. 2026-06-12 23:09 UTCEPSS rescore
  25. 2026-06-12 23:09 UTCEPSS rescore
  26. 2026-06-11 13:57 UTCEPSS rescore
  27. 2026-06-10 22:16 UTCEPSS rescore
  28. 2026-06-10 13:19 UTCEPSS rescore
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  30. 2026-06-07 15:22 UTCEPSS rescore
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  32. 2026-06-06 13:45 UTCEPSS rescore
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  40. 2026-06-02 20:11 UTCEPSS rescore
  41. 2026-06-01 13:50 UTCEPSS rescore
  42. 2026-05-31 22:29 UTCEPSS rescore
  43. 2026-05-31 22:29 UTCEPSS rescore
  44. 2026-05-31 00:14 UTCEPSS rescore
  45. 2026-05-31 00:14 UTCEPSS rescore
  46. 2026-05-29 13:41 UTCEPSS rescore
  47. 2026-05-28 13:43 UTCEPSS rescore
  48. 2026-05-28 13:42 UTCEPSS rescore
  49. 2026-05-28 08:58 UTCEG score recompute
  50. 2026-05-28 08:58 UTCGHSA enrichment
  51. 2026-05-27 13:38 UTCEPSS rescore
  52. 2026-05-26 13:42 UTCEPSS rescore
  53. 2026-05-26 13:42 UTCEPSS rescore
  54. 2026-05-26 07:17 UTCEPSS rescore
  55. 2026-05-26 07:17 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2018-7242?
CVE-2018-7242 is a critical vulnerability published on April 18, 2018. Vulnerable hash algorithms exists in Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 controllers in all versions of the communication modules. The algorithm used to encrypt the password is vulnerable to hash collision attacks.
When was CVE-2018-7242 disclosed?
CVE-2018-7242 was first published in the National Vulnerability Database on April 18, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-7242 actively exploited?
CVE-2018-7242 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-7242?
CVE-2018-7242 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-7242?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-7242, 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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