CVE-2016-20024
ZKTeco ZKTime.Net 3.0.1.6 contains an insecure file permissions vulnerability that allows unprivileged users to escalate privileges by modifying executable files.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 4.0
- 9.3 CRITICALCVSS: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/M
- EPSS
- 0.73% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-538
- Source
- disclosure@vulncheck.com
References
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.