Bulletins

CISA (ICS)
05/28/2026
Summary ABB is aware of vulnerabilities in the product versions listed as affected in the advisory. An attacker who successfully exploited this vulnerability could gain physical, unauthorized access to a Building where the product is installed The following versions of ABB Busch-Welcome 2 Wire Door Opener Actuator are affected: Switch …
CISA (ICS)
05/28/2026
Summary Successful exploitation of this vulnerability allows an attacker's malicious script to execute in the browser of any authenticated user or administrator who accesses the affected interface. This could lead to compromise of user sessions, execution of unauthorized actions with the victim's privileges, exposure or manipulation of sensitive data, and …
CISA (ICS)
05/28/2026
Summary ABB is aware of vulnerabilities in the product versions listed as affected in the advisory. A firmware update is available that resolves these privately reported vulnerabilities in the product versions listed as affected in the advisory. An attacker who successfully exploited these vulnerabilities could access sensitive information stored inside …
CISA (ICS)
05/26/2026
Summary ABB is aware of public reports of vulnerabilities in a 3rd party component VLC media player Version 2.2.4 which was delivered together with the installation package of Camera Connect Version 1.5.0.14 and below. An update is available that resolves a privately reported outdated 3rd party component with vulnerabilities in …
CISA (ICS)
05/26/2026
Summary ABB became aware of an internally discovered vulnerability in the MConfig product versions listed as affected in the advisory. An attacker with access to local networks who successfully exploits vulnerability could have access to application’s sensitive information. ABB strongly advises customers to update MConfig with latest software version. The …
CISA (ICS)
05/26/2026
Summary ABB is aware of vulnerabilities in the product versions listed as affected in the advisory. The vulnerability enables unauthorized access to the Reboot OS function within the Remote Transport Service, allowing an attacker to trigger a system reboot without the required authentication. This functionality initiates a system reboot on …
CISA (ICS)
05/26/2026
Summary ABB became aware of vulnerabilities in AC500 V2 listed as affected in the advisory. An attacker who successfully exploited this vulnerability could access fragments of Modbus telegrams that have been sent earlier by that PLC The following versions of ABB AC500 V2 are affected: AC500 V2 <=2.5.2, 2.5.3 …
CISA (ICS)
05/26/2026
Summary ABB is aware of vulnerabilities in the product versions listed as affected in the advisory. An attacker who successfully exploited this vulnerability could cause the pollution of heap memory which potentially takes remote control of the product and performs a write operation to the flash memory to alter the …