CVE-2021-31474
highpriority · attend · 72EPSS 0.939 · 100 %ileEUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9.8–10
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
- solarwinds network performance monitor2020.2.1 → 2020.2.5nvdUScpe:2.3:a:solarwinds:network_performance_monitor:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://documentation.solarwinds.com/en/success_center/sam/content/release_notes/sam_2020-2-5_release_notes.htmcnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-21-602/cnnvd
- https://documentation.solarwinds.com/en/success_center/sam/content/release_notes/sam_2020-2-5_release_notes.htmenisa_euvd
- https://www.zerodayinitiative.com/advisories/ZDI-21-602/enisa_euvd
- https://documentation.solarwinds.com/en/success_center/sam/content/release_notes/sam_2020-2-5_release_notes.htmRelease NotesVendor Advisorynvd
- https://www.zerodayinitiative.com/advisories/ZDI-21-602/Third Party AdvisoryVDB Entrynvd
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