Vulnerability Details CVE-2021-25274
The Collector Service in SolarWinds Orion Platform before 2020.2.4 uses MSMQ (Microsoft Message Queue) and doesn't set permissions on its private queues. As a result, remote unauthenticated clients can send messages to TCP port 1801 that the Collector Service will process. Additionally, upon processing of such messages, the service deserializes them in insecure manner, allowing remote arbitrary code execution as LocalSystem.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.644
EPSS Ranking 98.3%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 10.0
References
Products affected by CVE-2021-25274
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cpe:2.3:a:solarwinds:orion_platform:2016.1
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cpe:2.3:a:solarwinds:orion_platform:2016.2
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cpe:2.3:a:solarwinds:orion_platform:2017.1
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cpe:2.3:a:solarwinds:orion_platform:2017.3
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cpe:2.3:a:solarwinds:orion_platform:2018.2
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cpe:2.3:a:solarwinds:orion_platform:2018.4
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cpe:2.3:a:solarwinds:orion_platform:2019.2
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cpe:2.3:a:solarwinds:orion_platform:2019.4
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cpe:2.3:a:solarwinds:orion_platform:2019.4.2
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cpe:2.3:a:solarwinds:orion_platform:2020.2
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cpe:2.3:a:solarwinds:orion_platform:2020.2.1