Low severity2.7NVD Advisory· Published Feb 10, 2021· Updated Jun 17, 2026
CVE-2021-21296
CVE-2021-21296
Description
Fleet is an open source osquery manager. In Fleet before version 3.7.0 a malicious actor with a valid node key can send a badly formatted request that causes the Fleet server to exit, resulting in denial of service. This is possible only while a live query is currently ongoing. We believe the impact of this vulnerability to be low given the requirement that the actor has a valid node key. There is no information disclosure, privilege escalation, or code execution. The issue is fixed in Fleet 3.7.0.
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Affected products
3Patches
Vulnerability mechanics
References
3- github.com/fleetdm/fleet/commit/f68f4238e83b45b2164e4ed05df14af0f06eaf40nvdPatchThird Party Advisory
- github.com/fleetdm/fleet/security/advisories/GHSA-xwh8-9p3f-3x45nvdThird Party Advisory
- www.npmjs.com/package/fleetctlnvdProductThird Party Advisory
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