CVE-2016-20024
CRITICAL EPSS 49.8%
Published Mar 16, 20263mo ago · Modified Jun 8, 20263w ago
9.3 CVSS 4.0
Published Mar 16, 2026 3mo ago
Last Modified Jun 8, 2026 3w ago
Description
ZKTeco ZKTime.Net 3.0.1.6 contains an insecure file permissions vulnerability that allows unprivileged users to escalate privileges by modifying executable files. Attackers can exploit world-writable permissions on the ZKTimeNet3.0 directory and its contents to replace executable files with malicious binaries for privilege escalation.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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 None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
49.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-538
References 6
- cxsecurity.com https://cxsecurity.com/issue/WLB-2016080264
- exchange.xforce.ibmcloud.com https://exchange.xforce.ibmcloud.com/vulnerabilities/116487
- packetstormsecurity.com https://packetstormsecurity.com/files/138565
- exploit-db.com https://www.exploit-db.com/exploits/40322/
- vulncheck.com https://www.vulncheck.com/advisories/zkteco-zktime-net-insecure-file-permissions-privilege-escalation
- zeroscience.mk https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5360.php
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.