CVE-2021-31474
high-risk
Published 2021-05-21
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.
Do I need to act?
!
53.6% chance of exploitation in next 30 days
EPSS score — higher than 46% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (4)
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-602/
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-602/
55
/ 100
high-risk
Severity
32/34 · Critical
Exploitability
18/34 · Moderate
Exposure
5/34 · Minimal