What is CVE-2019-9201?

CVE-2019-9201 is a critical-severity vulnerability in Phoenixcontact Axc 1050, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2019-02-26.

How severe is CVE-2019-9201?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Phoenixcontact Axc 1050

CVE-2019-9201

Multiple Phoenix Contact devices allow remote attackers to establish TCP sessions to port 1962 and obtain sensitive information or make changes, as demonstrated by using the Create Backup feature to traverse all directories.

Vulnerability class: Broken Authentication

Published 2019-02-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.031 (87.7th percentile), scored 2026-10-23.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

medium.com/@SergiuSechel/misconfiguration-in-ilc-gsm-gprs-devices-leaves-over-1… (Exploit)
cert.vde.com/en/advisories/VDE-2019-015/ (Third Party Advisory)

Frequently asked questions

What is CVE-2019-9201?: CVE-2019-9201 is a critical-severity vulnerability in Phoenixcontact Axc 1050, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2019-02-26.
How severe is CVE-2019-9201?: Critical severity. CVSS v3 base score is 9.8 out of 10.