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
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: Elevated riskExposed: 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 PROB
0%
EPSS %ILE
7%
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 20× in last 7d / 95× 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 203 total refreshes for this CVE.

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

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 0% probability of exploitation in the next 30 days, which ranks it in the top 93.0% of all scored CVEs.
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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