CVE-2016-20024
ZKTeco ZKTime.Net 3.0.1.6 Insecure File Permissions Privilege Escalation
- State
- Published
- Severity
- 9.3 Critical
- Published
- Mar 15, 2026
- Updated
- Jul 28, 2026
- Reserved
- Mar 15, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | 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 | VulnCheck |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-538 Insertion of Sensitive Information into Externally-Accessible File or Directory
Affected Products
| Product | Versions |
|---|---|
ZKTeco ZKTime.NetZKTeco Inc. |
|
References
- Zero Science Lab Disclosurethird-party-advisory
- CXSecuritythird-party-advisory
- IBM X-Force Exchangevdb-entry
- Packet Storm Securityexploit
- Referenceexploit
- VulnCheck Advisory: ZKTeco ZKTime.Net 3.0.1.6 Insecure File Permissions Privilege Escalationthird-party-advisory
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