What is CVE-2021-35249?

CVE-2021-35249 is a broken access control vulnerability in SolarWinds Serv-U that allows a domain admin to access configuration and user data of other domains they should not have access to.

What is the severity of CVE-2021-35249?

The severity of CVE-2021-35249 is medium, with a CVSS score of 4.3.

How does CVE-2021-35249 affect SolarWinds Serv-U?

CVE-2021-35249 affects SolarWinds Serv-U versions up to and excluding 15.3.1.

Can the domain admin modify the data they access through CVE-2021-35249?

No, the domain admin can only perform read-only operations and cannot modify the data they access through CVE-2021-35249.

How can I fix CVE-2021-35249?

To fix CVE-2021-35249, it is recommended to upgrade SolarWinds Serv-U to version 15.3.1 or later.

Vulnerability/
CVE-2021-35249

medium

4.3

CWE

284

17/5/2022

16/9/2024

CVE-2021-35249: Domain Admin Broken Access Control

First published: Tue May 17 2022(Updated: )

This broken access control vulnerability pertains specifically to a domain admin who can access configuration & user data of other domains which they should not have access to. Please note the admin is unable to modify the data (read only operation). This UAC issue leads to a data leak to unauthorized users for a domain, with no log of them accessing the data unless they attempt to modify it. This read-only activity is logged to the original domain and does not specify which domain was accessed.

Credit: psirt@solarwinds.com

Affected Software	Affected Version	How to fix
SolarWinds Serv-U	<15.3.1

Remedy

Serv-U Customers are advised to upgrade to the fix-version once it becomes generally available on May 17, 2022.

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Reference Links

Frequently Asked Questions

What is CVE-2021-35249?
CVE-2021-35249 is a broken access control vulnerability in SolarWinds Serv-U that allows a domain admin to access configuration and user data of other domains they should not have access to.
What is the severity of CVE-2021-35249?
The severity of CVE-2021-35249 is medium, with a CVSS score of 4.3.
How does CVE-2021-35249 affect SolarWinds Serv-U?
CVE-2021-35249 affects SolarWinds Serv-U versions up to and excluding 15.3.1.
Can the domain admin modify the data they access through CVE-2021-35249?
No, the domain admin can only perform read-only operations and cannot modify the data they access through CVE-2021-35249.
How can I fix CVE-2021-35249?
To fix CVE-2021-35249, it is recommended to upgrade SolarWinds Serv-U to version 15.3.1 or later.

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