High severity7.5NVD Advisory· Published May 12, 2017· Updated Jun 17, 2026
CVE-2017-8921
CVE-2017-8921
Description
In FlightGear before 2017.2.1, the FGCommand interface allows overwriting any file the user has write access to, but not with arbitrary data: only with the contents of a FlightGear flightplan (XML). A resource such as a malicious third-party aircraft could exploit this to damage files belonging to the user. Both this issue and CVE-2016-9956 are directory traversal vulnerabilities in Autopilot/route_mgr.cxx - this one exists because of an incomplete fix for CVE-2016-9956.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2cpe:2.3:a:flightgear:flightgear:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:flightgear:flightgear:*:*:*:*:*:*:*:*range: <=2017.2
- (no CPE)range: <2017.2.1
Patches
Vulnerability mechanics
References
1- sourceforge.net/p/flightgear/flightgear/ci/faf872e7f71ca14c567ac7080561fc785d8d2fd0/nvdIssue TrackingPatchThird Party Advisory
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