CVE-2021-35217: SolarWinds Patch Manager WSAsyncExecuteTasks Deserialization of Untrusted Data Remote Code Execution Vulnerability

Published Sep 8, 2021
·
Updated

Insecure Deseralization of untrusted data remote code execution vulnerability was discovered in Patch Manager Orion Platform Integration module and reported to us by ZDI. An Authenticated Attacker could exploit it by executing WSAsyncExecuteTasks deserialization of untrusted data.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of SolarWinds Patch Manager. Authentication is required to exploit this vulnerability. The specific flaw exists within the WSAsyncExecuteTasks endpoint. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of NETWORK SERVICE.

ZDI

Affected Software

2 affected components
SolarWinds Patch Manager<=2020.2.5
SolarWinds Patch Manager

Remediation

Information

SolarWinds recommends upgrading to both the latest version of Patch Manager and Orion Integration Module as soon as it becomes available.

Event History

Sep 8, 2021
CVE Published
via MITRE·01:15 PM
Data Sourced
via MITRE·01:15 PM
RemedyDescriptionSeverityWeakness
Feb 24, 2025
Advisory Published
via ZDI·04:22 AM
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Frequently Asked Questions

1

What is the severity of CVE-2021-35217?

The severity of CVE-2021-35217 is high with a CVSS score of 8.8.

2

How does CVE-2021-35217 impact SolarWinds Patch Manager?

CVE-2021-35217 allows remote attackers to execute arbitrary code on affected installations of SolarWinds Patch Manager.

3

Is authentication required to exploit CVE-2021-35217?

Yes, authentication is required to exploit CVE-2021-35217.

4

What is the specific flaw in CVE-2021-35217?

The specific flaw in CVE-2021-35217 exists within the WSAsyncExecuteTasks endpoint due to the lack of proper validation.

5

How can I fix CVE-2021-35217 in SolarWinds Patch Manager?

To fix CVE-2021-35217 in SolarWinds Patch Manager, it is recommended to apply the latest security patches and updates provided by SolarWinds.

Contact

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