high7.5
CVE-2020-24686
The vulnerabilities can be exploited to cause the web visualization component of the PLC to stop and not respond, leading to genuine users losing remote visibi…
Impact
The vulnerabilities can be exploited to cause the web visualization component of the PLC to stop and not respond, leading to genuine users losing remote visibility of the PLC state. If a user attempts to login to the PLC while this vulnerability is exploited, the PLC will show an error state and refuse connections to Automation Builder. The execution of the PLC application is not affected by this vulnerability. This issue affects ABB AC500 V2 products with onboard Ethernet.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Abb | Pm554 Firmware | All versions |
| Abb | Pm556 Firmware | All versions |
| Abb | Pm564 Firmware | All versions |
| Abb | Pm566 Firmware | All versions |
| Abb | Pm572 Firmware | All versions |
| Abb | Pm573 Firmware | All versions |