CVE-2016-20025— ZKTeco ZKAccess Professional 3.5.3 Privilege Escalation via Insecure Permissions
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I. Basic Information for CVE-2016-20025
Vulnerability Information
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Vulnerability Title
ZKTeco ZKAccess Professional 3.5.3 Privilege Escalation via Insecure Permissions
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对外部实体的文件或目录可访问
Source: NVD (National Vulnerability Database)
Vulnerability Title
ZKTeco ZKAccess Professional 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZKTeco ZKAccess Professional是中国熵基科技（ZKTeco）公司的一个门禁管理软件。 ZKTeco ZKAccess Professional 3.5.3版本存在安全漏洞，该漏洞源于文件权限不安全，可能导致经验证用户通过修改可执行文件提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ZKTeco Inc. | ZKTeco ZKAccess Professional | 3.5.3 (Build 0005) | - |
II. Public POCs for CVE-2016-20025
| # | POC Description | Source Link | Shenlong Link |
|---|
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- ZKTeco ZKAccess Professional 3.5.3 Insecure File Permissions - CXSecurity.comthird-party-advisory
- Packet Stormexploit
- Zero Science Lab » ZKTeco ZKAccess Professional 3.5.3 Insecure File Permissionsthird-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-20025
Same Patch Batch · ZKTeco Inc. · 2026-03-15 · 9 CVEs total
| CVE-2016-20026 | 9.8 CRITICAL | ZKTeco ZKBioSecurity 3.0 Hardcoded Credentials Remote Code Execution |
| CVE-2016-20030 | 9.8 CRITICAL | ZKTeco ZKBioSecurity 3.0 User Enumeration via authLoginAction |
| CVE-2016-20024 | 9.8 CRITICAL | ZKTeco ZKTime.Net 3.0.1.6 Insecure File Permissions Privilege Escalation |
| CVE-2016-20032 | 7.2 HIGH | ZKTeco ZKAccess Security System 5.3.1 Stored XSS |
| CVE-2016-20029 | 6.2 MEDIUM | ZKTeco ZKBioSecurity 3.0 File Path Manipulation Vulnerability |
| CVE-2016-20027 | 6.1 MEDIUM | ZKTeco ZKBioSecurity 3.0 Multiple Reflected XSS Vulnerabilities |
| CVE-2016-20031 | 5.5 MEDIUM | ZKTeco ZKBioSecurity 3.0 Local Authorization Bypass via visLogin.jsp |
| CVE-2016-20028 | 4.3 MEDIUM | ZKTeco ZKBioSecurity 3.0 Cross-Site Request Forgery Superadmin |
IV. Related Vulnerabilities
Same vendor: ZKTeco Inc.
- CVE-2016-20032
ZKTeco ZKAccess Security System 5.3.1 Stored XSS - CVE-2016-20031
ZKTeco ZKBioSecurity 3.0 Local Authorization Bypass via visL - CVE-2016-20030
ZKTeco ZKBioSecurity 3.0 User Enumeration via authLoginActio - CVE-2016-20029
ZKTeco ZKBioSecurity 3.0 File Path Manipulation Vulnerabilit - CVE-2016-20028
ZKTeco ZKBioSecurity 3.0 Cross-Site Request Forgery Superadm
Same weakness: CWE-552
- CVE-2025-7389
Unauthorized Arbitrary File Read via RMI in AdminServer Inte - CVE-2019-25709
CF Image Hosting Script 1.6.5 Unauthorized Database Access - CVE-2026-33698
Chamilo LMS affected by unauthenticated RCE in main/install - CVE-2021-47960
Synology SSL VPN Client 安全漏洞 - CVE-2026-35446
LORIS has a path traversal in FilesDownloadHandler
V. Comments for CVE-2016-20025
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