What is CVE-2020-10640?

CVE-2020-10640 is a critical-severity vulnerability in Emerson Openenterprise Scada Server, classified under Missing Authentication for Critical Function. CVSS score: 10.0/10. Published 2022-02-24.

How severe is CVE-2020-10640?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Auth bypass in Emerson Openenterprise Scada Server

CVE-2020-10640

Emerson OpenEnterprise versions through 3.3.4 may allow an attacker to run an arbitrary commands with system privileges or perform remote code execution via a specific communication service.

Vulnerability class: Broken Authentication

Published 2022-02-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.031 (87.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.3% 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

Emerson Openenterprise Scada Server
Emerson Openenterprise Scada Software — versions unspecified

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

www.cisa.gov/uscert/ics/advisories/icsa-20-140-02 (US Government Resource, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2020-10640?: CVE-2020-10640 is a critical-severity vulnerability in Emerson Openenterprise Scada Server, classified under Missing Authentication for Critical Function. CVSS score: 10.0/10. Published 2022-02-24.
How severe is CVE-2020-10640?: Critical severity. CVSS v3 base score is 10.0 out of 10.