CVE-2016-20025ZKTeco ZKAccess Professional 3.5.3 Privilege Escalation via Insecure Permissions
Updated under an hour ago ()
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It affects ZKTeco Inc. ZKTeco ZKAccess Professional. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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ZKTeco ZKAccess Professional 3.5.3 contains an insecure file permissions vulnerability that allows authenticated users to escalate privileges by modifying executable files. Attackers can leverage the Modify permission granted to the Authenticated Users group to replace executable binaries with malicious code for privilege escalation.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-552
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Jun 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
ZKTeco Inc. ZKTeco ZKAccess Professional zkteco:zkaccess_professional (from the name) | 3.5.3 (Build 0005) | CNA record |
References
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5361.phpthird-party-advisory
- https://cxsecurity.com/issue/WLB-2016080265third-party-advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/116486vdb-entry
- https://packetstormsecurity.com/files/138566exploit
- https://www.exploit-db.com/exploits/40323/exploit
- https://www.vulncheck.com/advisories/zkteco-zkaccess-professional-privilege-escalation-via-insecure-permissionsthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.