VYPR
Unrated severityNVD Advisory· Published Jul 10, 2023· Updated Sep 24, 2025

Authenticated Remote COmmand Execution as root in OSNEXUS QuantaStor version 6.0.0.355 and others

CVE-2021-4406

Description

An authenticated attacker is able to create alerts that trigger a stored XSS attack.

POC

  • go to the alert manager
  • open the ITSM tab
  • add a webhook with the URL/service token value

' -h && id | tee /tmp/ttttttddddssss #' (whitespaces are tab characters)

  • click add
  • click apply
  • create a test alert
  • The test alert will run the command

“id | tee /tmp/ttttttddddssss” as root.

  • after the test alert inspect

/tmp/ttttttddddssss it'll contain the ids of the root user.

Affected products

1

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

3

News mentions

0

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