What is CVE-2019-9507?

CVE-2019-9507 is a high-severity vulnerability in Vertiv Avocent Umg-4000, classified under Eval Injection. CVSS score: 8.3/10. Published 2020-03-30.

How severe is CVE-2019-9507?

High severity. CVSS v3 base score is 8.3 out of 10.

RCE in Vertiv Avocent Umg-4000

CVE-2019-9507

The web interface of the Vertiv Avocent UMG-4000 version 4.2.1.19 is vulnerable to command injection because the application incorrectly neutralizes code syntax before executing. Since all commands within the web application are executed as root, this could allow a remote attacker authenticated with an administrator account to execute arbitrary commands as root.

Published 2020-03-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L.

EPSS exploit prediction

EPSS: 0.022 (81.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.022 · change: +0.000

Affected products

Vertiv Avocent Umg-4000 — versions 4.2.1.19
Vertiv Avocent Umg-4000
Vertiv Avocent Umg-4000 Firmware — versions 4.2.1.19

Weakness classification (CWE)

References

www.vertiv.com/en-us/support/software-download/it-management/avocent-universal-… (Vendor Advisory)
www.vertiv.com/en-us/support/software-download/software/trellis-enterprise-and-… (Vendor Advisory)

Frequently asked questions

What is CVE-2019-9507?: CVE-2019-9507 is a high-severity vulnerability in Vertiv Avocent Umg-4000, classified under Eval Injection. CVSS score: 8.3/10. Published 2020-03-30.
How severe is CVE-2019-9507?: High severity. CVSS v3 base score is 8.3 out of 10.