CVE-2016-20025
HIGH EPSS 35.5%
Published Mar 16, 20263mo ago · Modified Jun 8, 20263w ago
8.7 CVSS 4.0
Published Mar 16, 2026 3mo ago
Last Modified Jun 8, 2026 3w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
35.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-552
References 6
- cxsecurity.com https://cxsecurity.com/issue/WLB-2016080265
- exchange.xforce.ibmcloud.com https://exchange.xforce.ibmcloud.com/vulnerabilities/116486
- packetstormsecurity.com https://packetstormsecurity.com/files/138566
- exploit-db.com https://www.exploit-db.com/exploits/40323/
- vulncheck.com https://www.vulncheck.com/advisories/zkteco-zkaccess-professional-privilege-escalation-via-insecure-permissions
- zeroscience.mk https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5361.php
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.