CVE-2021-31474

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of SolarWinds Network Performance Monitor 2020.2.1. 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. Was ZDI-CAN-12213.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 50.65% Top 5%
Vendor Advisory solarwinds.com
Affected: SolarWinds Network Performance Monitor
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-21-602/ third party advisory vdb entry
https://documentation.solarwinds.com/en/success_center/sam/content/release_notes/sam_2020-2-5_release_notes.htm release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-31474?
CVE-2021-31474 has been scored as a critical severity vulnerability.
How to fix CVE-2021-31474?
To fix CVE-2021-31474, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-31474 being actively exploited in the wild?
It is possible that CVE-2021-31474 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~51% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-31474?
CVE-2021-31474 affects SolarWinds Network Performance Monitor.
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