CISA ICS Vulnerability Advisories and Alerts, Updates, and Bulletins – May 23, 2023

The Cybersecurity and Infrastructure Security Agency (CISA) has published the following ICS vulnerability advisories, as well as alerts, updates, and bulletins:

ICS Vulnerability Advisories:

• Hitachi Energy’s AFS65x, AFS67x, AFR67x and AFF66x Products – Product used in the Energy Sector
• Hitachi Energy’s RTU500 Series Product – Product used in the Energy Sector
• Mitsubishi Electric MELSEC Series CPU module
• Horner Automation Cscape

Alerts, Updates, and Bulletins:

• CISA Adds Three Known Exploited Vulnerabilities to Catalog
• Cisco Releases Security Advisory for Small Business Series Switches
• CISA Adds Three Known Exploited Vulnerabilities to Catalog