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Cybersecurity

CISA ICS Vulnerability Advisories and Alerts, Updates, and Bulletins – August 31, 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:

CISA Releases Four Industrial Control Systems Advisories

Products are used across multiple sectors, please check these latest advisories for specific equipment used across your ICS environments and address accordingly.

CISA Releases IOCs Associated with Malicious Barracuda Activity

CISA has released additional indicators of compromise (IOCs) associated with exploitation of CVE-2023-2868. CVE-2023-2868 is a remote command injection vulnerability affecting Barracuda Email Security Gateway (ESG) Appliance, versions 5.1.3.001-9.2.0.006. Malicious threat actors exploited this vulnerability as a zero day as early as October 2022 to gain access to ESG appliances. 

CISA and FBI Publish Joint Advisory on QakBot Infrastructure

CISA and the FBI have released a joint Cybersecurity Advisory (CSA), Identification and Disruption of QakBot Infrastructure, to help organizations detect and protect against newly identified QakBot-related activity and malware. Originally used as a banking trojan to steal banking credentials for account compromise, QakBot has since grown to deploy multiple types of malware, trojans, and highly-destructive ransomware variants targeting the U.S.

CISA ICS Vulnerability Advisories and Alerts, Updates, and Bulletins – August 29, 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:

CISA Releases One Industrial Control Systems Advisory

Products are used across multiple sectors, please check these latest advisories for specific equipment used across your ICS environments and address accordingly.

EPA Distributes Advisory Emphasizing Importance of Addressing Barracuda ESG Vulnerability

Yesterday, the EPA distributed a medium cybersecurity advisory (attached) emphasizing the recent FBI FLASH regarding Suspected People’s Republic of China (PRC) Cyber Actors Continue to Globally Exploit Barracuda Email Security Gateway (ESG). The EPA advisory recommends all drinking water and wastewater systems address and follow the mitigations contained in the FLASH.

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