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Vulnerability · Published Jul 10, 2023 · Assigned by DIVD

CVE-2021-42083Authenticated Stored XSS in OSNEXUS QuantaStor 6.0.0.335

High 8.7

In plain English

A high-severity cross-site scripting in QuantaStor from OSNEXUS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).

Severity (CVSS 3.1)8.7High
Exploit odds (30 days)0.5%top 54.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
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 – before 6.0.0.355

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

References