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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
References 6
https://cxsecurity.com/issue/WLB-2016080265
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https://exchange.xforce.ibmcloud.com/vulnerabilities/116486
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https://packetstormsecurity.com/files/138566
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https://www.exploit-db.com/exploits/40323/
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https://www.vulncheck.com/advisories/zkteco-zkaccess-professional-privilege-esc…
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https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5361.php
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