CVE-2023-5636

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-12-01. 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.

Unrestricted Upload of File with Dangerous Type vulnerability in ArslanSoft Education Portal allows Command Injection.

This issue affects Education Portal: before v1.1.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
74.3%
KEV
Not listed

Published

December 1, 2023

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Jun 21, 2026
No patch confirmed yet.
generic

T.C. Siber Güvenlik Başkanlığı

https://www.usom.gov.tr/bildirim/tr-23-0670
generic

T.C. Siber Güvenlik Başkanlığı

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0670

Vendor Advisories for CVE-2023-5636(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 43× 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. 2026-07-13 22:28 UTCEPSS rescore
  2. 2026-07-13 22:28 UTCEPSS rescore
  3. 2026-07-12 05:45 UTCEPSS rescore
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  10. 2026-07-06 16:26 UTCEPSS rescore
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  14. 2026-07-05 02:29 UTCEPSS rescore
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  16. 2026-07-01 15:05 UTCEPSS rescore
  17. 2026-06-30 23:21 UTCEPSS rescore
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  24. 2026-06-25 13:48 UTCEPSS rescore
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  1. 2026-06-24 14:04 UTCEPSS rescore
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  3. 2026-06-23 21:31 UTCEPSS rescore
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  5. 2026-06-22 14:24 UTCEPSS rescore
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  7. 2026-06-21 14:55 UTCEPSS rescore
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  9. 2026-06-21 01:58 UTCEPSS rescore
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  11. 2026-06-19 19:24 UTCEPSS rescore
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  13. 2026-06-18 17:51 UTCEPSS rescore
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  17. 2026-06-15 17:47 UTCEPSS rescore
  18. 2026-06-14 23:16 UTCEPSS rescore
  19. 2026-06-13 22:59 UTCEPSS rescore
  20. 2026-06-13 22:59 UTCEPSS rescore
  21. 2026-06-12 23:11 UTCEPSS rescore
  22. 2026-06-11 13:59 UTCEPSS rescore
  23. 2026-06-10 22:17 UTCEPSS rescore
  24. 2026-06-10 13:21 UTCEPSS rescore
  25. 2026-06-08 14:16 UTCEPSS rescore
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  27. 2026-06-07 15:24 UTCEPSS rescore
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  29. 2026-06-06 13:46 UTCEPSS rescore
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  35. 2026-06-04 13:11 UTCEPSS rescore
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  37. 2026-06-02 20:12 UTCEPSS rescore
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  39. 2026-06-01 13:51 UTCEPSS rescore
  40. 2026-05-31 22:30 UTCEPSS rescore
  41. 2026-05-31 22:30 UTCEPSS rescore
  42. 2026-05-31 00:15 UTCEPSS rescore
  43. 2026-05-31 00:15 UTCEPSS rescore
  44. 2026-05-29 13:43 UTCEPSS rescore
  45. 2026-05-28 13:44 UTCEPSS rescore
  46. 2026-05-28 13:44 UTCEPSS rescore
  47. 2026-05-27 13:40 UTCEPSS rescore
  48. 2026-05-27 13:39 UTCEPSS rescore
  49. 2026-05-26 13:43 UTCEPSS rescore
  50. 2026-05-26 13:43 UTCEPSS rescore
  51. 2026-05-26 07:18 UTCEPSS rescore
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  53. 2026-05-22 21:16 UTCEPSS rescore
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  56. 2026-05-22 21:16 UTCEPSS rescore
  57. 2026-05-22 21:16 UTCEPSS rescore
  58. 2026-05-22 05:30 UTCEG score recompute
  59. 2026-05-22 05:30 UTCGHSA enrichment
  60. 2026-05-20 23:36 UTCOSV refresh
  61. 2026-05-20 22:37 UTCEPSS rescore
  62. 2026-05-20 22:37 UTCEPSS rescore
  63. 2026-05-20 22:37 UTCEPSS rescore
  64. 2026-05-20 22:37 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-5636?
CVE-2023-5636 is a critical vulnerability published on December 1, 2023. Unrestricted Upload of File with Dangerous Type vulnerability in ArslanSoft Education Portal allows Command Injection. This issue affects Education Portal: before v1.1.
When was CVE-2023-5636 disclosed?
CVE-2023-5636 was first published in the National Vulnerability Database on December 1, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-5636 actively exploited?
CVE-2023-5636 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-5636?
CVE-2023-5636 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-5636?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-5636, 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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