CVE-2021-4406
Critical
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.
SeverityCritical
CVSS9.1
Exploit probability—
ProductOsnexus Quantastor
PublishedJul 10, 2023
First seenJul 10, 2023
Weakness typeCWE-77Command injection
How to fix
Update
- osnexus quantastor6.0.0.355 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| osnexus quantastor | v < 6.0.0.355 | 6.0.0.355 |
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