CVE-2016-20025

High
|8.7
No Exploit

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker with an authenticated user account to gain higher privileges by replacing important program files with malicious versions. It occurs because the system incorrectly allows these users to modify executable files, which they shouldn't be able to do.

Technical Description

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 Vector Analysis

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
Confidentiality ImpactHigh
Integrity ImpactHigh
Availability ImpactHigh
ScopeChanged

Vector String

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit Resources

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Official References

Est. Bounty
$4,579($1K-$5K)
Vendor Response
Grade APatched in 0 days

Quick Information

Published

Mar 16, 2026

22 days ago

Last Modified

Mar 16, 2026

22 days ago