What is CVE-2021-32954?

CVE-2021-32954 is a medium-severity vulnerability in Advantech Webaccess\/scada, classified under Relative Path Traversal. CVSS score: 6.5/10. Published 2021-06-18.

How severe is CVE-2021-32954?

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

Path Traversal in Advantech Webaccess\/scada

CVE-2021-32954

Advantech WebAccess/SCADA Versions 9.0.1 and prior is vulnerable to a directory traversal, which may allow an attacker to remotely read arbitrary files on the file system.

Published 2021-06-18 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.021 (80.8th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Advantech Webaccess\/scada
Advantech Webaccess/scada — versions WebAccess/SCADA Versions 9.0.1 and prior

Weakness classification (CWE)

References

us-cert.cisa.gov/ics/advisories/icsa-21-168-03 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2021-32954?: CVE-2021-32954 is a medium-severity vulnerability in Advantech Webaccess\/scada, classified under Relative Path Traversal. CVSS score: 6.5/10. Published 2021-06-18.
How severe is CVE-2021-32954?: Medium severity. CVSS v3 base score is 6.5 out of 10.