CVE-2016-20025

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-03-16. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Elevated
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

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

ZKTeco ZKAccess Professional 3.5.3 contains an insecure file permissions vulnerability that allows authenticated users to escalate privileges by modifying executable files. Attackers can leverage the Modify permission granted to the Authenticated Users group to replace executable binaries with malicious code for privilege escalation.

CVSS v3
8.8
EG Score
8.8(medium)
EPSS
35.8%
KEV
Not listed

Published

March 16, 2026

Last Modified

June 8, 2026

Advisory Details (6)

Auto-updated Jun 8, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

Zero Science Lab — Information Security Research & Development Laboratory

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5361.php
generic

ZKTeco ZKAccess Professional 3.5.3 Privilege Escalation via Insecure Permissions | Advisories | VulnCheck

https://www.vulncheck.com/advisories/zkteco-zkaccess-professional-privilege-escalation-via-insecure-permissions
generic🟡 PoC Available

ZKTeco ZKAccess Professional 3.5.3 - Insecure File Permissions Privilege Escalation - Windows local Exploit

https://www.exploit-db.com/exploits/40323/
generic

Packet Storm

https://packetstormsecurity.com/files/138566
generic

IBM X-Force Exchange

https://exchange.xforce.ibmcloud.com/vulnerabilities/116486
generic

ZKTeco ZKAccess Professional 3.5.3 Insecure File Permissions - CXSecurity.com

https://cxsecurity.com/issue/WLB-2016080265

Weakness Classification(1)

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

Data Freshness Timeline

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

Frequently asked(5)

What is CVE-2016-20025?
CVE-2016-20025 is a high vulnerability published on March 16, 2026. ZKTeco ZKAccess Professional 3.5.3 contains an insecure file permissions vulnerability that allows authenticated users to escalate privileges by modifying executable files. Attackers can leverage the Modify permission granted to the Authenticated Users group to replace executable binaries with…
When was CVE-2016-20025 disclosed?
CVE-2016-20025 was first published in the National Vulnerability Database on March 16, 2026, with the most recent update on June 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-20025 actively exploited?
CVE-2016-20025 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 35.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2016-20025?
CVE-2016-20025 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2016-20025?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-20025, 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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