The login endpoint /FormLogin in affected web services does not apply proper origin checking. This could allow authenticated remote attackers to track the activities of other users via a login cross-site request forgery attack.

A vulnerability has been identified in SIMATIC Drive Controller family (All versions), SIMATIC ET 200S IM151-8 PN/DP CPU (All versions < V3.2.19), SIMATIC ET 200S IM151-8F PN/DP CPU (All versions < V3.2.19), SIMATIC ET 200pro IM154-8 PN/DP CPU (All versions < V3.2.19), SIMATIC ET 200pro IM154-8F PN/DP CPU (All versions < V3.2.19), SIMATIC ET 200pro IM154-8FX PN/DP CPU (All versions < V3.2.19), SIMATIC PC Station (All versions >= V2.1), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-1500 Software Controller (All versions), SIMATIC S7-300 CPU 314C-2 PN/DP (All versions < V3.3.19), SIMATIC S7-300 CPU 315-2 PN/DP (All versions < V3.2.19), SIMATIC S7-300 CPU 315F-2 PN/DP (All versions < V3.2.19), SIMATIC S7-300 CPU 315T-3 PN/DP (All versions < V3.2.19), SIMATIC S7-300 CPU 317-2 PN/DP (All versions < V3.2.19), SIMATIC S7-300 CPU 317F-2 PN/DP (All versions < V3.2.19), SI...