What is CVE-2023-4215?

CVE-2023-4215 is a medium-severity vulnerability in Advantech Webaccess, classified under CWE-1295. CVSS score: 6.5/10. Published 2023-10-17.

How severe is CVE-2023-4215?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Advantech Webaccess

CVE-2023-4215

Advantech WebAccess version 9.1.3 contains an exposure of sensitive information to an unauthorized actor vulnerability that could leak user credentials.

Published 2023-10-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (45.7th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

Advantech Webaccess — versions 9.1.3

Weakness classification (CWE)

CWE-1295

References

www.cisa.gov/news-events/ics-advisories/icsa-23-285-15 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2023-4215?: CVE-2023-4215 is a medium-severity vulnerability in Advantech Webaccess, classified under CWE-1295. CVSS score: 6.5/10. Published 2023-10-17.
How severe is CVE-2023-4215?: Medium severity. CVSS v3 base score is 6.5 out of 10.