CVE-2016-20024 - Vulnerability Analysis

Overview

ZKTeco ZKTime.Net 3.0.1.6 contains an insecure file permissions vulnerability caused by world-writable permissions on the ZKTimeNet3.0 directory and its contents, letting unprivileged users escalate privileges by modifying executable files, exploit requires unprivileged user access.

Severity & Score

Impact

Unprivileged users can escalate privileges by replacing executables with malicious binaries, potentially gaining full system control.

Mitigation

Update to the latest version with corrected file permissions.

References

• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5360.php
• https://cxsecurity.com/issue/WLB-2016080264
• https://exchange.xforce.ibmcloud.com/vulnerabilities/116487
• https://packetstormsecurity.com/files/138565
• https://www.exploit-db.com/exploits/40322/
• https://www.vulncheck.com/advisories/zkteco-zktime-net-insecure-file-permissions-privilege-escalation

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner