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Change History

In open62541 v1.5.5, the server-side AddReferences implementation contains an incomplete validation flaw for non-local ExpandedNodeId targets. A remote attacker can send a crafted AddReferencesRequest with an empty targetServerUri and a non-zero targetNodeId.serverIndex, causing the target node pointer to remain NULL while execution continues.

https://github.com/open62541/open62541/blob/v1.5.5/include/open62541/types.h

https://github.com/open62541/open62541/blob/v1.5.5/src/server/ua_services_nodemanagement.c

https://github.com/open62541/open62541/blob/v1.5.5/src/ua_types.c

https://github.com/open62541/open62541/issues/8172

[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]