CVE-2021-4406: falha crítica em OSNEXUS QuantaStor
Authenticated Remote COmmand Execution as root in OSNEXUS QuantaStor version 6.0.0.355 and others
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Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
28Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 9.1epss 1.0%
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.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Produtos afetados
OSNEXUS · QuantaStorCVEs relacionadas — OSNEXUS QuantaStor
No mesmo produto, das mais perigosas para as menos.
CVE-2021-42081CRITICALAuthenticated Remote Command Execution vulnerability in OSNEXUS QuantaStor before 6.0.0.355EPSS 1.2%CVE-2026-18265CRITICALOSNEXUS QuantaStor Missing Authentication Remote Code Execution VulnerabilityEPSS 1.0%CVE-2021-42080HIGHReflected XSS vulnerability in OSNEXUS QuantaStor before 6.0.0.355EPSS 0.7%CVE-2021-42079MEDIUMSSRF vulnerability in OSNEXUS QuantaStor before 6.0.0.355EPSS 0.7%CVE-2021-42083HIGHAuthenticated Stored XSS in OSNEXUS QuantaStor 6.0.0.335EPSS 0.5%CVE-2021-42082HIGHLocal Privilege Escalation to root in OSNEXUS QuantaStor before 6.0.0.355EPSS 0.2%