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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database

Vulnerability Change Records for CVE-2021-37204

Change History

CVE Modified by CISA-ADP 6/17/2026 12:00:15 AM

Action Type Old Value New Value
Added SSVC 

                  
                
              		

              
                
                  
                  
                    
{"timestamp":"2025-04-18T15:12:37.070496Z","id":"CVE-2021-37204","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

                  
                
              		
            

          
        

      

      

        

          CVE Modified by Siemens AG
            6/17/2026 12:00:15 AM
        


        

          
            

              Action
              Type
              Old Value
              New Value
            

          

          
            

              Added
              Affected

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
[{"vendor":"Siemens","product":"SIMATIC Drive Controller family","defaultStatus":"unknown","versions":[{"version":"All versions < V2.9.2","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC Drive Controller family","defaultStatus":"unknown","versions":[{"version":"All versions >= V2.9.2 < V2.9.4","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants)","defaultStatus":"unknown","versions":[{"version":"All versions","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)","defaultStatus":"unknown","versions":[{"version":"All versions < V21.9","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)","defaultStatus":"unknown","versions":[{"version":"All versions >= V21.9 < V21.9.4","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC ET 200SP Open Controller CPU 1515SP PC2 Ready4Linux","defaultStatus":"unknown","versions":[{"version":"All versions","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC S7-1200 CPU family (incl. SIPLUS variants)","defaultStatus":"unknown","versions":[{"version":"All versions < V4.5.0","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC S7-1200 CPU family (incl. SIPLUS variants)","defaultStatus":"unknown","versions":[{"version":"All versions >= V4.5.0 < V4.5.2","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)","defaultStatus":"unknown","versions":[{"version":"All versions < V2.9.2","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)","defaultStatus":"unknown","versions":[{"version":"All versions >= V2.9.2 < V2.9.4","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 Software Controller","defaultStatus":"unknown","versions":[{"version":"All versions < V21.9","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 Software Controller","defaultStatus":"unknown","versions":[{"version":"All versions >= V21.9 < V21.9.4","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC S7-PLCSIM Advanced","defaultStatus":"unknown","versions":[{"version":"All versions < V4.0","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC S7-PLCSIM Advanced","defaultStatus":"unknown","versions":[{"version":"All versions >= V4.0 < V4.0 SP1","status":"affected"}]},{"vendor":"Siemens","product":"SIPLUS TIM 1531 IRC","defaultStatus":"unknown","versions":[{"version":"All versions < V2.3.6","status":"affected"}]},{"vendor":"Siemens","product":"TIM 1531 IRC","defaultStatus":"unknown","versions":[{"version":"All versions < V2.3.6","status":"affected"}]}]