CVE-2020-37254

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-19. the CNA's CVSS baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vulncheck, epss, ghsa
Trending — 3 sources updated this weekElevated
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.

Wondershare PDFelement 5.2.9 contains a privilege escalation vulnerability due to an unquoted service path in the WsAppService Windows service. Local attackers can place a malicious executable in the service path and execute code with LocalSystem privileges upon service restart or system reboot.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
51(Track*)
EG Risk 51/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
2.2%
KEV
Not listed

Published

June 19, 2026

Last Modified

July 15, 2026

Advisory Details (2)

Auto-updated Jun 23, 2026
No patch confirmed yet.
generic

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Wondershare PDFelement 5.2.9 Privilege Escalation via Unquoted Service Path | Advisories | VulnCheck

https://www.vulncheck.com/advisories/wondershare-pdfelement-privilege-escalation-via-unquoted-service-path

Vendor Advisories for CVE-2020-37254(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 15× in last 7d / 92× 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 103 total refreshes for this CVE.

  1. 2026-07-23 14:15 UTCEPSS rescore
  2. 2026-07-23 14:15 UTCEPSS rescore
  3. 2026-07-23 01:53 UTCEG score recompute
  4. 2026-07-22 22:39 UTCEG score recompute
  5. 2026-07-22 14:05 UTCEPSS rescore
  6. 2026-07-21 15:22 UTCEPSS rescore
  7. 2026-07-21 15:22 UTCEPSS rescore
  8. 2026-07-20 17:04 UTCEPSS rescore
  9. 2026-07-20 17:04 UTCEPSS rescore
  10. 2026-07-19 14:28 UTCEPSS rescore
  11. 2026-07-19 14:28 UTCEPSS rescore
  12. 2026-07-19 02:26 UTCEPSS rescore
  13. 2026-07-19 02:26 UTCEPSS rescore
  14. 2026-07-16 20:44 UTCGHSA enrichment
  15. 2026-07-16 16:59 UTCEPSS rescore
  16. 2026-07-16 06:01 UTCGHSA enrichment
  17. 2026-07-15 18:14 UTCGHSA enrichment
  18. 2026-07-15 16:55 UTCEPSS rescore
  19. 2026-07-15 16:55 UTCEPSS rescore
  20. 2026-07-15 06:28 UTCGHSA enrichment
  21. 2026-07-15 01:57 UTCEPSS rescore
  22. 2026-07-14 18:11 UTCGHSA enrichment
  23. 2026-07-14 06:26 UTCGHSA enrichment
  24. 2026-07-13 22:27 UTCEPSS rescore
  25. 2026-07-13 22:27 UTCEPSS rescore
Show 75 more
  1. 2026-07-13 18:35 UTCGHSA enrichment
  2. 2026-07-13 06:49 UTCGHSA enrichment
  3. 2026-07-13 06:10 UTCEPSS rescore
  4. 2026-07-13 06:10 UTCEPSS rescore
  5. 2026-07-12 18:39 UTCGHSA enrichment
  6. 2026-07-12 06:30 UTCGHSA enrichment
  7. 2026-07-12 05:44 UTCEPSS rescore
  8. 2026-07-11 18:36 UTCGHSA enrichment
  9. 2026-07-11 08:25 UTCEPSS rescore
  10. 2026-07-11 08:25 UTCEPSS rescore
  11. 2026-07-11 06:50 UTCGHSA enrichment
  12. 2026-07-10 19:04 UTCGHSA enrichment
  13. 2026-07-10 07:17 UTCGHSA enrichment
  14. 2026-07-09 19:29 UTCGHSA enrichment
  15. 2026-07-09 19:07 UTCEPSS rescore
  16. 2026-07-09 07:43 UTCGHSA enrichment
  17. 2026-07-08 19:56 UTCGHSA enrichment
  18. 2026-07-08 15:12 UTCEPSS rescore
  19. 2026-07-08 08:08 UTCGHSA enrichment
  20. 2026-07-07 20:23 UTCGHSA enrichment
  21. 2026-07-07 13:43 UTCEPSS rescore
  22. 2026-07-07 08:37 UTCGHSA enrichment
  23. 2026-07-06 20:40 UTCGHSA enrichment
  24. 2026-07-06 16:25 UTCEPSS rescore
  25. 2026-07-06 16:25 UTCEPSS rescore
  26. 2026-07-06 08:21 UTCGHSA enrichment
  27. 2026-07-06 02:21 UTCEPSS rescore
  28. 2026-07-06 02:21 UTCEPSS rescore
  29. 2026-07-05 20:32 UTCGHSA enrichment
  30. 2026-07-05 08:46 UTCGHSA enrichment
  31. 2026-07-04 21:00 UTCGHSA enrichment
  32. 2026-07-04 09:14 UTCGHSA enrichment
  33. 2026-07-04 06:29 UTCEPSS rescore
  34. 2026-07-04 06:29 UTCEPSS rescore
  35. 2026-07-03 21:28 UTCGHSA enrichment
  36. 2026-07-03 09:42 UTCGHSA enrichment
  37. 2026-07-02 21:55 UTCGHSA enrichment
  38. 2026-07-02 10:09 UTCGHSA enrichment
  39. 2026-07-01 22:24 UTCGHSA enrichment
  40. 2026-07-01 10:33 UTCGHSA enrichment
  41. 2026-06-30 23:20 UTCEPSS rescore
  42. 2026-06-30 23:20 UTCEPSS rescore
  43. 2026-06-30 22:45 UTCGHSA enrichment
  44. 2026-06-30 10:59 UTCGHSA enrichment
  45. 2026-06-29 23:11 UTCGHSA enrichment
  46. 2026-06-29 14:04 UTCEPSS rescore
  47. 2026-06-29 11:26 UTCGHSA enrichment
  48. 2026-06-28 23:40 UTCGHSA enrichment
  49. 2026-06-28 11:54 UTCGHSA enrichment
  50. 2026-06-28 04:54 UTCEPSS rescore
  51. 2026-06-28 04:54 UTCEPSS rescore
  52. 2026-06-28 00:08 UTCGHSA enrichment
  53. 2026-06-27 12:23 UTCGHSA enrichment
  54. 2026-06-27 03:06 UTCEPSS rescore
  55. 2026-06-27 03:06 UTCEPSS rescore
  56. 2026-06-27 00:37 UTCGHSA enrichment
  57. 2026-06-26 12:50 UTCGHSA enrichment
  58. 2026-06-26 01:04 UTCGHSA enrichment
  59. 2026-06-25 13:48 UTCEPSS rescore
  60. 2026-06-25 13:18 UTCGHSA enrichment
  61. 2026-06-25 01:31 UTCGHSA enrichment
  62. 2026-06-24 14:03 UTCEPSS rescore
  63. 2026-06-24 14:03 UTCEPSS rescore
  64. 2026-06-24 13:46 UTCGHSA enrichment
  65. 2026-06-24 01:58 UTCGHSA enrichment
  66. 2026-06-23 21:31 UTCEPSS rescore
  67. 2026-06-23 21:31 UTCEPSS rescore
  68. 2026-06-23 15:31 UTCNVD updateCVSS v4 → 8.5
  69. 2026-06-23 14:12 UTCGHSA enrichment
  70. 2026-06-23 02:24 UTCGHSA enrichment
  71. 2026-06-22 14:38 UTCGHSA enrichment
  72. 2026-06-22 02:51 UTCGHSA enrichment
  73. 2026-06-21 14:59 UTCGHSA enrichment
  74. 2026-06-21 03:13 UTCGHSA enrichment
  75. 2026-06-20 15:27 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2020-37254?
CVE-2020-37254 is a high vulnerability published on June 19, 2026. Wondershare PDFelement 5.2.9 contains a privilege escalation vulnerability due to an unquoted service path in the WsAppService Windows service. Local attackers can place a malicious executable in the service path and execute code with LocalSystem privileges upon service restart or system reboot.
When was CVE-2020-37254 disclosed?
CVE-2020-37254 was first published in the National Vulnerability Database on June 19, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-37254 actively exploited?
CVE-2020-37254 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-37254?
CVE-2020-37254 has a CVSS v4.0 base score of 7.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2020-37254?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-37254, 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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