What is CVE-2019-9011?

CVE-2019-9011 is a medium-severity vulnerability in Pilz Pmc, classified under Exposure of Resource to Wrong Sphere. CVSS score: 5.3/10. Published 2022-12-26.

How severe is CVE-2019-9011?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Pilz Pmc

CVE-2019-9011

In Pilz PMC programming tool 3.x before 3.5.17 (based on CODESYS Development System), an attacker can identify valid usernames.

Published 2022-12-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (36.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Pilz Pmc

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

cert.vde.com/en/advisories/VDE-2021-061/ (Third Party Advisory)

Frequently asked questions

What is CVE-2019-9011?: CVE-2019-9011 is a medium-severity vulnerability in Pilz Pmc, classified under Exposure of Resource to Wrong Sphere. CVSS score: 5.3/10. Published 2022-12-26.
How severe is CVE-2019-9011?: Medium severity. CVSS v3 base score is 5.3 out of 10.