CVE-2020-37229

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-16. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

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

OKI sPSV Port Manager 1.0.41 contains an unquoted service path vulnerability in the sPSVOpLclSrv service that allows local attackers to escalate privileges by inserting executable files into the unquoted path. Attackers can place a malicious executable in a directory within the service path that will execute with LocalSystem privileges when the service restarts or the system reboots.

CVSS v3
7.8
EG Score
7.8(medium)
EPSS
1.7%
KEV
Not listed

Published

May 16, 2026

Last Modified

May 18, 2026

Advisory Details (2)

Auto-updated May 16, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

OKI sPSV Port Manager 1.0.41 Unquoted Service Path Privilege Escalation | Advisories | VulnCheck

https://www.vulncheck.com/advisories/oki-spsv-port-manager-unquoted-service-path-privilege-escalation
generic🟡 PoC Available

OKI sPSV Port Manager 1.0.41 - 'sPSVOpLclSrv' Unquoted Service Path - Windows local Exploit

https://www.exploit-db.com/exploits/49005

Vendor Advisories for CVE-2020-37229(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 7× in last 7d / 68× 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 186 total refreshes for this CVE.

  1. 2026-07-11 08:25 UTCEPSS rescore
  2. 2026-07-11 08:25 UTCEPSS rescore
  3. 2026-07-09 19:07 UTCEPSS rescore
  4. 2026-07-08 15:12 UTCEPSS rescore
  5. 2026-07-07 13:43 UTCEPSS rescore
  6. 2026-07-06 02:21 UTCEPSS rescore
  7. 2026-07-06 02:21 UTCEPSS rescore
  8. 2026-07-04 06:29 UTCEPSS rescore
  9. 2026-07-04 06:29 UTCEPSS rescore
  10. 2026-06-30 23:20 UTCEPSS rescore
  11. 2026-06-30 23:20 UTCEPSS rescore
  12. 2026-06-29 21:21 UTCEG score recompute
  13. 2026-06-29 21:21 UTCGHSA enrichment
  14. 2026-06-29 14:04 UTCEPSS rescore
  15. 2026-06-28 10:57 UTCEG score recompute
  16. 2026-06-28 10:57 UTCGHSA enrichment
  17. 2026-06-28 04:54 UTCEPSS rescore
  18. 2026-06-28 04:54 UTCEPSS rescore
  19. 2026-06-27 21:45 UTCEG score recompute
  20. 2026-06-27 21:45 UTCGHSA enrichment
  21. 2026-06-27 08:22 UTCEG score recompute
  22. 2026-06-27 08:22 UTCGHSA enrichment
  23. 2026-06-27 03:06 UTCEPSS rescore
  24. 2026-06-27 03:06 UTCEPSS rescore
  25. 2026-06-26 20:04 UTCEG score recompute
Show 75 more
  1. 2026-06-26 20:04 UTCGHSA enrichment
  2. 2026-06-25 18:38 UTCEG score recompute
  3. 2026-06-25 18:38 UTCGHSA enrichment
  4. 2026-06-24 14:03 UTCEPSS rescore
  5. 2026-06-24 14:03 UTCEPSS rescore
  6. 2026-06-23 21:31 UTCEPSS rescore
  7. 2026-06-23 21:31 UTCEPSS rescore
  8. 2026-06-22 14:23 UTCEPSS rescore
  9. 2026-06-22 14:23 UTCEPSS rescore
  10. 2026-06-21 14:54 UTCEPSS rescore
  11. 2026-06-21 14:54 UTCEPSS rescore
  12. 2026-06-21 01:57 UTCEPSS rescore
  13. 2026-06-19 19:24 UTCEPSS rescore
  14. 2026-06-19 19:23 UTCEPSS rescore
  15. 2026-06-18 17:50 UTCEPSS rescore
  16. 2026-06-18 17:50 UTCEPSS rescore
  17. 2026-06-18 02:53 UTCEG score recompute
  18. 2026-06-18 02:52 UTCGHSA enrichment
  19. 2026-06-17 17:50 UTCEPSS rescore
  20. 2026-06-17 13:20 UTCEG score recompute
  21. 2026-06-17 13:20 UTCGHSA enrichment
  22. 2026-06-17 00:03 UTCEG score recompute
  23. 2026-06-17 00:03 UTCGHSA enrichment
  24. 2026-06-16 11:44 UTCEG score recompute
  25. 2026-06-16 11:44 UTCGHSA enrichment
  26. 2026-06-15 23:24 UTCEG score recompute
  27. 2026-06-15 23:24 UTCGHSA enrichment
  28. 2026-06-15 17:46 UTCEPSS rescore
  29. 2026-06-15 04:00 UTCEG score recompute
  30. 2026-06-15 04:00 UTCGHSA enrichment
  31. 2026-06-14 23:15 UTCEPSS rescore
  32. 2026-06-14 15:42 UTCEG score recompute
  33. 2026-06-14 15:42 UTCGHSA enrichment
  34. 2026-06-14 03:24 UTCEG score recompute
  35. 2026-06-14 03:24 UTCGHSA enrichment
  36. 2026-06-13 22:58 UTCEPSS rescore
  37. 2026-06-13 15:06 UTCEG score recompute
  38. 2026-06-13 15:06 UTCGHSA enrichment
  39. 2026-06-13 00:22 UTCEG score recompute
  40. 2026-06-13 00:21 UTCGHSA enrichment
  41. 2026-06-12 23:10 UTCEPSS rescore
  42. 2026-06-12 11:58 UTCEG score recompute
  43. 2026-06-12 11:58 UTCGHSA enrichment
  44. 2026-06-11 23:41 UTCEG score recompute
  45. 2026-06-11 23:41 UTCGHSA enrichment
  46. 2026-06-11 13:58 UTCEPSS rescore
  47. 2026-06-11 11:23 UTCEG score recompute
  48. 2026-06-11 11:23 UTCGHSA enrichment
  49. 2026-06-10 23:06 UTCEG score recompute
  50. 2026-06-10 23:06 UTCGHSA enrichment
  51. 2026-06-10 22:16 UTCEPSS rescore
  52. 2026-06-10 13:20 UTCEPSS rescore
  53. 2026-06-10 10:48 UTCEG score recompute
  54. 2026-06-10 10:48 UTCGHSA enrichment
  55. 2026-06-09 22:31 UTCEG score recompute
  56. 2026-06-09 22:31 UTCGHSA enrichment
  57. 2026-06-09 10:13 UTCEG score recompute
  58. 2026-06-09 10:13 UTCGHSA enrichment
  59. 2026-06-08 21:55 UTCEG score recompute
  60. 2026-06-08 21:55 UTCGHSA enrichment
  61. 2026-06-08 14:15 UTCEPSS rescore
  62. 2026-06-08 09:37 UTCEG score recompute
  63. 2026-06-08 09:37 UTCGHSA enrichment
  64. 2026-06-07 21:20 UTCEG score recompute
  65. 2026-06-07 21:20 UTCGHSA enrichment
  66. 2026-06-07 15:23 UTCEPSS rescore
  67. 2026-06-07 15:23 UTCEPSS rescore
  68. 2026-06-07 15:23 UTCEPSS rescore
  69. 2026-06-07 09:02 UTCEG score recompute
  70. 2026-06-07 09:02 UTCGHSA enrichment
  71. 2026-06-06 20:45 UTCEG score recompute
  72. 2026-06-06 20:45 UTCGHSA enrichment
  73. 2026-06-06 13:46 UTCEPSS rescore
  74. 2026-06-06 13:45 UTCEPSS rescore
  75. 2026-06-06 08:27 UTCEG score recompute

Frequently asked(5)

What is CVE-2020-37229?
CVE-2020-37229 is a high vulnerability published on May 16, 2026. OKI sPSV Port Manager 1.0.41 contains an unquoted service path vulnerability in the sPSVOpLclSrv service that allows local attackers to escalate privileges by inserting executable files into the unquoted path. Attackers can place a malicious executable in a directory within the service path that…
When was CVE-2020-37229 disclosed?
CVE-2020-37229 was first published in the National Vulnerability Database on May 16, 2026, with the most recent update on May 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-37229 actively exploited?
CVE-2020-37229 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-37229?
CVE-2020-37229 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2020-37229?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-37229, 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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