Read the docs
TI-2019-06943 Aliases CVE-2019-9508GHSA-5hq8-wjj7-762c

Vertiv Avocent UMG-4000 version 4.2.1.19 web interface is vulnerable to stored cross site scripting

Priority LOW 29CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The web interface of the Vertiv Avocent UMG-4000 version 4.2.1.19 is vulnerable to stored XSS. A remote attacker authenticated with an administrator account could store a maliciously named file within the web application that would execute each time a user browsed to the page.

Why it matters now

EPSS 0.00629 50th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
VertivAvocent UMG-40004.2.1.19—No fix listedCNA
  • Avocent UMG-4000 VendorVertiv Affected 4.2.1.19 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:vertiv:avocent_umg-4000_firmware:4.2.1.19:*:*:*:*:*:*:*4.2.1.19VulnerableVertiv
cpe:2.3:h:vertiv:avocent_umg-4000:-:*:*:*:*:*:*:*not specified by NVDRunning onVertiv
  • cpe:2.3:o:vertiv:avocent_umg-4000_firmware:4.2.1.19:*:*:*:*:*:*:* Versions 4.2.1.19 Vulnerable ·Vertiv
  • cpe:2.3:h:vertiv:avocent_umg-4000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Vertiv

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-9508
  2. 2026-10-03 Alias added: GHSA-5hq8-wjj7-762c
  3. 2026-10-29 EPSS moved to the 50th–90th percentile

References

Advisory 2

  • TI-2019-06942 The web interface of the Vertiv Avocent UMG-4000 version 4.2.1.19 is vulnerable to arbitrary remote code execution CVSS 3.1HIGH 8.3
  • TI-2019-06944 The web interface of the Vertiv Avocent UMG-4000 version 4.2.1.19 is vulnerable to reflected cross site scripting CVSS 3.1MEDIUM 6.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences