CVE-2021-42083 (GCVE-0-2021-42083)

Vulnerability from cvelistv5 – Published: 2023-07-10 06:29 – Updated: 2025-09-22 06:40
VLAI?
Title
Authenticated Stored XSS in OSNEXUS QuantaStor 6.0.0.335
Summary
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.
Severity ?
8.7 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
https://www.wbsec.nl/osnexus third-party-advisorytechnical-descriptionexploit
https://csirt.divd.nl/DIVD-2021-00020/ third-party-advisory
https://www.osnexus.com/products/software-defined… product
https://csirt.divd.nl/CVE-2021-42083 third-party-advisoryexploittechnical-description
Impacted products
Vendor Product Version
OSNEXUS QuantaStor Affected: 0 , < 6.0.0.355 (semver)
Create a notification for this product.
Credits
Wietse Boonstra (DIVD) Frank Breedijk (DIVD) Victor Pasman (DIVD) Victor Gevers (DIVD) Max van der Horst (DIVD) Célistine Oosting (DIVD)
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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Detection rules are retrieved from Rulezet.