What is CVE-2020-10940?

CVE-2020-10940 is a high-severity vulnerability in Phoenixcontact Portico Server 16 Client, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2020-03-27.

How severe is CVE-2020-10940?

High severity. CVSS v3 base score is 7.8 out of 10.

Privilege escalation in Phoenixcontact Portico Server 16 Client

CVE-2020-10940

Local Privilege Escalation can occur in PHOENIX CONTACT PORTICO SERVER through 3.0.7 when installed to run as a service.

Vulnerability class: Privilege Escalation

Published 2020-03-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (20.4th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

cert.vde.com/en-us/advisories/vde-2020-013 (Third Party Advisory)

Frequently asked questions

What is CVE-2020-10940?: CVE-2020-10940 is a high-severity vulnerability in Phoenixcontact Portico Server 16 Client, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2020-03-27.
How severe is CVE-2020-10940?: High severity. CVSS v3 base score is 7.8 out of 10.