Advisory Details

May 20th, 2021

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

ZDI-21-602
ZDI-CAN-12213

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 not 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/sam/content/release_notes/sam_2020-2-5_release_notes.htm
DISCLOSURE TIMELINE
  • 2020-12-11 - Vulnerability reported to vendor
  • 2021-05-20 - Coordinated public release of advisory
CREDIT Anonymous
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