Malware

Ivanti has released a security update addressing an OS command injection vulnerability (CVE-2024-8190) affecting Ivanti Cloud Services Appliance (CSA) 4.6 (all versions before patch 519). A cyber threat actor could exploit this vulnerability to take control of an affected system.   At this time, Ivanti has confirmed limited exploitation and urges its customers using the affected versions to upgrade to CSA version 5.0. Ivanti no longer supports CSA 4.6 (end-of-life).  CISA recommends users and administrators review…

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CISA has released an analysis and infographic detailing the findings from the 143 Risk and Vulnerability Assessments (RVAs) conducted across multiple critical infrastructure sectors in fiscal year 2023 (FY23). The analysis details a sample attack path including tactics and steps a cyber threat actor could follow to compromise an organization with weaknesses representative of those CISA observed in FY23 RVAs. The infographic highlights the most successful techniques for each tactic that RVAs documented. Both the…

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CISA released twenty-five Industrial Control Systems (ICS) advisories on September 12, 2024. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-24-256-01 Siemens SINEMA Remote Connect Server ICSA-24-256-02 Siemens SINUMERIK ONE, SINUMERIK 840D and SINUMERIK 828D ICSA-24-256-03 Siemens User Management Component (UMC) ICSA-24-256-04 Siemens SINUMERIK Systems ICSA-24-256-05 Siemens Mendix Runtime ICSA-24-256-06 Siemens Automation License Manager ICSA-24-256-07 Siemens SIMATIC RFID Readers ICSA-24-256-08 Siemens Industrial Products ICSA-24-256-09 Siemens SIMATIC, SIPLUS, and TIM…

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Cisco released security updates to address two vulnerabilities (CVE-2024-20439 and CVE-2024-20440) in Cisco Smart Licensing Utility. A cyber threat actor could exploit one of these vulnerabilities to take control of an affected system.  CISA encourages users and administrators to review the following advisory and apply the necessary updates:  Cisco Smart Licensing Utility Vulnerabilities

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Ivanti released security updates to address multiple vulnerabilities in Ivanti Endpoint Manager, Cloud Service Application 4.6, and Workspace Control. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system.  CISA encourages users and administrators to review the following Ivanti advisories and apply the necessary guidance and updates:  Ivanti Endpoint Manager Ivanti Cloud Service Application 4.6 Ivanti Workspace Control

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Microsoft released security updates to address vulnerabilities in multiple products. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following and apply necessary updates: Microsoft Security Update Guide for September

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Citrix released security updates to address multiple vulnerabilities in the Citrix Workspace App for Windows. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system.  CISA encourages users and administrators to review the following and apply necessary updates:  Citrix Workspace app for Windows Security Bulletin for CVE-2024-7889 and CVE-2024-7890

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Today, the Federal Bureau of Investigation (FBI)—in partnership with CISA, the National Security Agency (NSA), and other U.S. and international partners—released a joint Cybersecurity Advisory Russian Military Cyber Actors Target U.S. and Global Critical Infrastructure. This advisory provides overlapping cybersecurity industry cyber threat intelligence, tactics, techniques, and procedures (TTPs) and Indicators of Compromise (IOCs) associated with Russian General Staff Main Intelligence Directorate (GRU) 161st Specialist Training Center (Unit 29155) cyber actors, both during and succeeding their…

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Today, CISA—in partnership with the Federal Bureau of Investigation (FBI), Multi-State Information Sharing and Analysis Center (MS-ISAC), and Department of Health and Human Services (HHS)—released a joint Cybersecurity Advisory, #StopRansomware: RansomHub Ransomware. This advisory provides network defenders with indicators of compromise (IOCs), tactics, techniques, and procedures (TTPs), and detection methods associated with RansomHub activity identified through FBI investigations and third-party reporting as recently as August 2024. RansomHub is a ransomware-as-a-service variant—formerly known as Cyclops and Knight—which has…

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Today, CISA—in partnership with the Federal Bureau of Investigation (FBI) and the Department of Defense Cyber Crime Center (DC3)—released Iran-based Cyber Actors Enabling Ransomware Attacks on U.S. Organizations. This joint advisory warns of cyber actors, known in the private sector as Pioneer Kitten, UNC757, Parisite, Rubidium, and Lemon Sandstorm, targeting and exploiting U.S. and foreign organizations across multiple sectors in the U.S.  FBI investigations conducted as recently as August 2024 assess that cyber actors like…

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