CVE-2016-20025

HIGHCVSS 8.7/10EPSS 0.44%

Last modified

CVE-2016-20025 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.8/10

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

CVSS 4.0
8.7/10

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

EPSS Probability
0.44%

35.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2016-20025?
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.
How severe is CVE-2016-20025?
CVE-2016-20025 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.
How do I fix CVE-2016-20025?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-20025?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST