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CriticalVulnerabilityCVE-2023-22793updated 30 Oct 2026, 03:06 UTC

Veeam Management Pack for System Center: unauthenticated remote code execution

Someone on the network with no login could run their own commands on the affected server. That would give them full control of a machine that manages backup and virtualization monitoring.

Official, 2 sources
SeverityCriticalCVSS 9.3 of 10
Being exploited?UnclearNo reports either way yet
Fix available?UnclearNo fixed version published in the sources yet
How sure is this?Official, 2 sourcesBacked by an official source

How the attack works simplified

  1. 1Attacker on networkNo login or credentials needed
  2. 2Reaches serviceVeeam Virtualization Extensions endpoint
  3. 3Flaw triggeredUnauthenticated request is processed
  4. 4Code executesAttacker runs commands on the server
  5. ResultAttacker controls the affected server

What happened

The Veeam Virtualization Extensions service in Veeam Management Pack for Microsoft System Center has a flaw that allows unauthenticated remote code execution.

Why it is dangerous: An attacker who reaches the service can run arbitrary code without credentials, which can lead to full compromise of the server and potentially the backup and virtualization environment it monitors.

Are you affected?

You are affected if you run the Veeam Virtualization Extensions service from Veeam Management Pack for Microsoft System Center.

Veeam Management Pack for Microsoft System Center, Veeam Virtualization Extensions service (versions unknown)

What to do

  1. Check whether the Veeam Virtualization Extensions service is installed and running on your System Center servers
  2. Restrict network access to the service so only trusted hosts can reach it
  3. Apply the vendor's security update as soon as it is available and confirm the fixed version with Veeam

Timeline

  1. 29 Oct 2026, 23:16 UTC
    Publicly disclosed
  2. 29 Oct 2026, 23:16 UTC
    Reported by NVD · NVD
  3. 29 Oct 2026, 23:17 UTC
    Picked up by Zero Radar
  4. 30 Oct 2026, 03:06 UTC
    GitHub Advisory reported on it · GitHub Advisory

Sources 2 reports, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
CVE-2023-22793 · GHSA-6762-qxrg-r3x8
CVSS
9.3 / 10
EPSS
0.5% chance of exploitation within 30 days
Disclosed
29 Oct 2026, 23:16 UTC
On Zero Radar
29 Oct 2026, 23:17 UTC (1 min after disclosure)
Last change
30 Oct 2026, 03:06 UTC

The plain-language parts and the attack diagram were written by an AI model (anthropic/claude-haiku-5.5) from the sources above. Facts like versions, exploitation and dates come from the sources themselves. How Zero Radar works

Veeam Management Pack for System Center: unauthenticated remote code execution · Zero Radar