Advisory Details

September 20th, 2021

SolarWinds Network Performance Monitor FromJson Deserialization of Untrusted Data Remote Code Execution Vulnerability

CVE ID	CVE-2021-31474
CVSS SCORE	9.8, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	SolarWinds
AFFECTED PRODUCTS	Network Performance Monitor
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of SolarWinds Network Performance Monitor. Authentication is required to exploit this vulnerability. The specific flaw exists within the SolarWinds.Serialization library. 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 SYSTEM.
ADDITIONAL DETAILS	SolarWinds has issued an update to correct this vulnerability. More details can be found at: https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/orion_platform_2020-2-5_release_notes.htm
DISCLOSURE TIMELINE	2020-12-11 - Vulnerability reported to vendor 2021-09-20 - Coordinated public release of advisory 2022-05-26 - Advisory Updated
CREDIT	Piotr Bazydlo (@chudypb)

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