Privilege escalation in Schneider-Electric Operator Terminal Expert Runtime

CVE-2020-7544

A CWE-269 Improper Privilege Management vulnerability exists in EcoStruxureª Operator Terminal Expert runtime (Vijeo XD) that could cause privilege escalation on the workstation when interacting directly with a driver installed by the runtime software of EcoStruxureª Operator Terminal Expert.

Vulnerability class: Privilege Escalation

Published · last modified .

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 (22.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-7544: held from 0.003 to 0.003.

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

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-7544?
CVE-2020-7544 is a high-severity vulnerability in Schneider-Electric Operator Terminal Expert Runtime, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2020-11-19.
How severe is CVE-2020-7544?
High severity. CVSS v3 base score is 7.8 out of 10.