CVE-2024-30321

MEDIUMNVD 5.95.9—
EchelonGraph scoreMEDIUM confidence

Score 5.9 from GitHub Security Advisory (severity: HIGH) published 2024-07-09. NVD baseline CVSS 5.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.9Exploit: NoneExposed: 0

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

A vulnerability has been identified in SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC WinCC Runtime Professional V18 (All versions < V18 Update 5), SIMATIC WinCC Runtime Professional V19 (All versions < V19 Update 2), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 23), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 17), SIMATIC WinCC V8.0 (All versions < V8.0 Update 5). The affected products do not properly handle certain requests to their web application, which may lead to the leak of privileged information. This could allow an unauthenticated remote attacker to retrieve information such as users and passwords.

CVSS v3
5.9
EG Score
5.9(medium)
EPSS
40.7%
KEV
Not listed

Published

July 9, 2024

Last Modified

April 15, 2026

References (2)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 46× 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 124 total refreshes for this CVE.

  1. 2026-07-22 14:07 UTCEPSS rescore
  2. 2026-07-21 15:23 UTCEPSS rescore
  3. 2026-07-20 17:06 UTCEPSS rescore
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  1. 2026-07-06 02:22 UTCEPSS rescore
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  5. 2026-07-02 17:00 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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  20. 2026-06-23 21:32 UTCEPSS rescore
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  22. 2026-06-22 14:25 UTCEPSS rescore
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  24. 2026-06-21 14:55 UTCEPSS rescore
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  26. 2026-06-21 01:58 UTCEPSS rescore
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  28. 2026-06-19 19:25 UTCEPSS rescore
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  30. 2026-06-18 17:51 UTCEPSS rescore
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  40. 2026-06-12 23:11 UTCEPSS rescore
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  42. 2026-06-11 13:59 UTCEPSS rescore
  43. 2026-06-10 22:17 UTCEPSS rescore
  44. 2026-06-10 13:21 UTCEPSS rescore
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  46. 2026-06-08 14:16 UTCEPSS rescore
  47. 2026-06-07 15:24 UTCEPSS rescore
  48. 2026-06-07 15:24 UTCEPSS rescore
  49. 2026-06-06 13:46 UTCEPSS rescore
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  51. 2026-06-05 22:46 UTCEPSS rescore
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  53. 2026-06-05 06:09 UTCEPSS rescore
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  55. 2026-06-04 13:11 UTCEPSS rescore
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  60. 2026-06-01 13:51 UTCEPSS rescore
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  63. 2026-05-31 22:30 UTCEPSS rescore
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  67. 2026-05-29 13:43 UTCEPSS rescore
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  74. 2026-05-26 13:43 UTCEPSS rescore
  75. 2026-05-26 13:43 UTCEPSS rescore

Frequently asked(5)

What is CVE-2024-30321?
CVE-2024-30321 is a medium vulnerability published on July 9, 2024. A vulnerability has been identified in SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC WinCC Runtime Professional V18 (All versions < V18 Update 5), SIMATIC WinCC Runtime Professional V19 (All versions < V19 Update 2), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 23), SIMATIC WinCC…
When was CVE-2024-30321 disclosed?
CVE-2024-30321 was first published in the National Vulnerability Database on July 9, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-30321 actively exploited?
CVE-2024-30321 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 40.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-30321?
CVE-2024-30321 has a CVSS v3 base score of 5.9 (NVD).
How do I remediate CVE-2024-30321?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-30321, 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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