Critical severity9.8NVD Advisory· Published Feb 3, 2021· Updated Jun 17, 2026
CVE-2021-25274
CVE-2021-25274
Description
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.
Affected products
3cpe:2.3:a:solarwinds:orion_platform:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:solarwinds:orion_platform:*:*:*:*:*:*:*:*range: <2020.2.4
- (no CPE)range: <2020.2.4
- SolarWinds/Orion Platformdescription
Patches
Vulnerability mechanics
References
1- www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/full-system-control-with-new-solarwinds-orion-based-and-serv-u-ftp-vulnerabilities/nvdExploitPatchThird Party Advisory
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