by Kastro
Paper/Archive/CVE-2021-4406

CVE-2021-4406

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

EPSS 1.0%public exploitCVSS 9.1
critical.is priorityof 100
50
CVSS 9.1 (CNA)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 61.7.617 × 2012.3Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
QuantaStor≤ 6.0.0.355–CNA

Scores by source

DIVD (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

writeupcsirt.divd.nl/DIVD-2021-00020refosnexus.com/products/software-defined-storageexploitcsirt.divd.nl/CVE-2021-4406writeupdivd.nl/DIVD-2021-00020exploitcsirt.divd.nl/cves/CVE-2021-4406