Buffer overflow in Advantech Webaccess

CVE-2017-14016

A Stack-based Buffer Overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. The application lacks proper validation of the length of user-supplied data prior to copying it to a stack-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.

Vulnerability class: Buffer Overflow

EPSS: 0.160 (96.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-14016?
CVE-2017-14016 is a medium-severity vulnerability in Advantech Webaccess, classified under Stack-based Buffer Overflow. CVSS score: 6.3/10. Published 2017-11-06.
How severe is CVE-2017-14016?
Medium severity. CVSS v3 base score is 6.3 out of 10.
Is CVE-2017-14016 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.