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Vulnerability · Published Jul 10, 2023 · Assigned by DIVD

CVE-2021-4406Authenticated Remote COmmand Execution as root in OSNEXUS QuantaStor version 6.0.0.355 and others

Critical 9.1

In plain English

A critical-severity command injection in QuantaStor from OSNEXUS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).

Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)1.0%top 38.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 (as reported)

VendorProductVersions
OSNEXUS QuantaStor 0 – through 6.0.0.355

Weakness: CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References