A vulnerability has been identified in SICAM GridEdge Essential ARM (All versions < V2.6.6), SICAM GridEdge Essential Intel (All versions < V2.6.6), SICAM GridEdge Essential with GDS ARM (All versions < V2.6.6), SICAM GridEdge Essential with GDS Intel (All versions < V2.6.6). The affected software does not require authenticated access for privileged functions. This could allow an unauthenticated attacker to change data of an user, such as credentials, in case that user's id is known.