CVE-2022-30506

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-06-03. 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: 3%CVSS: 9.8Exploit: NoneExposed: 0

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

An arbitrary file upload vulnerability was discovered in MCMS 5.2.7, allowing an attacker to execute arbitrary code through a crafted ZIP file.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
83.7%
KEV
Not listed

Published

June 2, 2022

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Jun 7, 2026
No patch confirmed yet.
generic

MCMSv5.2.7存在文件上传漏洞 · Issue #I56AID · 铭飞/MCMS - Gitee.com

https://gitee.com/mingSoft/MCMS/issues/I56AID

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
mavennet.mingsoft:ms-mcms—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× 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 104 total refreshes for this CVE.

  1. 2026-07-22 14:06 UTCEPSS rescore
  2. 2026-07-22 14:06 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
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  24. 2026-07-08 15:12 UTCEPSS rescore
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  1. 2026-07-06 16:25 UTCEPSS rescore
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  7. 2026-07-04 06:29 UTCEPSS rescore
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  9. 2026-07-01 15:04 UTCEPSS rescore
  10. 2026-06-30 23:20 UTCEPSS rescore
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  20. 2026-06-23 21:31 UTCEPSS rescore
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  22. 2026-06-22 14:24 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
  27. 2026-06-21 01:58 UTCEPSS rescore
  28. 2026-06-19 19:24 UTCEPSS rescore
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  30. 2026-06-18 17:51 UTCEPSS rescore
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  38. 2026-06-13 22:58 UTCEPSS rescore
  39. 2026-06-12 23:10 UTCEPSS rescore
  40. 2026-06-12 23:10 UTCEPSS rescore
  41. 2026-06-11 13:58 UTCEPSS rescore
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  43. 2026-06-10 22:16 UTCEPSS rescore
  44. 2026-06-10 13:20 UTCEPSS rescore
  45. 2026-06-08 14:15 UTCEPSS rescore
  46. 2026-06-08 14:15 UTCEPSS rescore
  47. 2026-06-07 15:23 UTCEPSS rescore
  48. 2026-06-07 15:23 UTCEPSS rescore
  49. 2026-06-07 15:23 UTCEPSS rescore
  50. 2026-06-06 13:46 UTCEPSS rescore
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  52. 2026-06-05 22:45 UTCEPSS rescore
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  54. 2026-06-05 06:09 UTCEPSS rescore
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  56. 2026-06-04 13:11 UTCEPSS rescore
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  63. 2026-05-31 00:15 UTCEPSS rescore
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  65. 2026-05-29 13:43 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2022-30506?
CVE-2022-30506 is a critical vulnerability published on June 2, 2022. An arbitrary file upload vulnerability was discovered in MCMS 5.2.7, allowing an attacker to execute arbitrary code through a crafted ZIP file.
When was CVE-2022-30506 disclosed?
CVE-2022-30506 was first published in the National Vulnerability Database on June 2, 2022, 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-2022-30506 actively exploited?
CVE-2022-30506 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 83.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-30506?
CVE-2022-30506 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2022-30506?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-30506, 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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