CVE-2021-31474

Name of the Vulnerable Software and Affected Versions SolarWinds Network Performance Monitor version 2020.2.1

Description This issue allows remote attackers to execute arbitrary code on affected installations. Authentication is not required to exploit this issue. The specific flaw exists within the SolarWinds.Serialization library, resulting from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this issue to execute code in the context of SYSTEM.

Recommendations For SolarWinds Network Performance Monitor version 2020.2.1, consider disabling the SolarWinds.Serialization library as a temporary workaround until a patch is available. Restrict access to the library to minimize the risk of exploitation. Avoid using user-supplied data in the affected library until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this issue.