CVE-2016-20024

· CRITICALDeferred

← All CVEs

CVSS v3.1

9.8

CVSS v4.0

9.3

EPSS

0.73%

Published

Mar 16, 2026

Modified

Apr 15, 2026

Public PoC / Exploit (1)

All weaponized →

TrickestTrickest PoC index

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

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 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-538

References (6)

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

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5360.php

KEV Catalog EPSS Scores Vendors All CVEs