Johnson Controls Sensormatic Tyco AI

1. EXECUTIVE SUMMARY CVSS v3 7.0 Vendor: Sensormatic Electronics, LLC, a subsidiary of Johnson Controls Equipment: Tyco AI Vulnerability: Off-by-one Error 2. RISK EVALUATION Under specific circumstances, a local attacker could use this vulnerability to obtain super-user access to the underlying...

Juniper Networks Releases Security Updates

Juniper Networks has released security updates to address multiple vulnerabilities in various Juniper products. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Juniper's 2021-05 Out-of-Cycle Security...

Siemens SIMATIC S7-1500

1. EXECUTIVE SUMMARY CVSS v3 7.8 ATTENTION: Low attack complexity Vendor: Siemens Equipment: SIMATIC S7-1500 CPU 1518F-4 Vulnerabilities: Improper Initialization, Improper Restriction of Operations within the Bounds of a Memory Buffer 2. RISK EVALUATION Successful exploitation of these Intel...

Siemens SCALANCE XM-400 and XR-500 Devices

1. EXECUTIVE SUMMARY CVSS v3 7.5 ATTENTION: Exploitable remotely/low attack complexity Vendor: Siemens Equipment: SCALANCE XM-400, XR-500 Vulnerability: Incorrect Calculation 2. RISK EVALUATION Successful exploitation of this vulnerability could allow an unauthenticated remote attacker to create...

Adobe Releases Security Updates for Multiple Products 

Adobe has released security updates to address vulnerabilities in multiple Adobe products. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Adobe’s Security Bulletins and apply the necessary updates...

Microsoft Releases May 2021 Security Updates

Microsoft has released updates to address multiple vulnerabilities in Microsoft software. A remote attacker can exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Microsoft’s May 2021 Security Update Summary and Deployme...

Joint CISA-FBI Cybersecurity Advisory on DarkSide Ransomware

CISA and the Federal Bureau of Investigation FBI have released a Joint Cybersecurity Advisory CSA on a ransomware-as-a-service RaaS variant—referred to as DarkSide—recently used in a ransomware attack against a critical infrastructure CI company. Cybercriminal groups use DarkSide to gain access t...

Siemens Mendix Database Replication Module

1. EXECUTIVE SUMMARY CVSS v3 4.3 ATTENTION: Exploitable remotely/low attack complexity Vendor: Siemens Equipment: Mendix Database Replication Module Vulnerability: Generation of Error Message Containing Sensitive Information 2. RISK EVALUATION Successful exploitation of this vulnerability could...

Omron CX-One

1. EXECUTIVE SUMMARY CVSS v3 7.8 ATTENTION: Low attack complexity Vendor: Omron Equipment: CX-One Vulnerability: Stack-based Buffer Overflow 2. RISK EVALUATION Successful exploitation of this vulnerability may allow arbitrary code execution. 3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS The...

Google Releases Security Updates for Chrome

Google has released Chrome version 90.0.4430.212 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system. CISA encourages users and administrators to review the Chrome Release Note and apply the necessary updates. Th...

Citrix Releases Security Updates for Workspace App for Windows

Citrix has released security updates to address a vulnerability in Citrix Workspace App for Windows. An attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review Citrix Security Update CTX307794 and apply the necessary...

Siemens Tecnomatix Plant Simulation

1. EXECUTIVE SUMMARY CVSS v3 7.8 ATTENTION: Low attack complexity Vendor: Siemens Equipment: Tecnomatix Plant Simulation Vulnerabilities: Stack-based Buffer Overflow, Improper Restriction of Operations within the Bounds of a Memory Buffer 2. RISK EVALUATION Successful exploitation of these...

Colonial Pipeline’s Ransomware Attack Sparks Emergency Declaration

The Biden administration has declared a state of emergency that covers 17 states and Washington D.C. in the wake of the ransomware attack on the Colonial Pipeline Co., and is working with Colonial to restart operations. On Monday morning, FireEye also confirmed to Threatpost that it’s been called...

Ransomware Cyber Attack Forced the Largest U.S. Fuel Pipeline to Shut Down

Colonial Pipeline, which carries 45% of the fuel consumed on the U.S. East Coast, on Saturday said it halted operations due to a ransomware attack, once again demonstrating how critical infrastructure is vulnerable to cyber attacks. "On May 7, the Colonial Pipeline Company learned it was the vict...

Exim Releases Security Update

Exim has released a security update to address multiple vulnerabilities in Exim versions prior to 4.94.2. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Exim 4.94.2 update page and apply t...

Joint NCSC-CISA-FBI-NSA Cybersecurity Advisory on Russian SVR Activity

CISA has joined with the United Kingdom's National Cyber Security Centre NCSC, the Federal Bureau of Investigation FBI, and the National Security Agency NSA, in releasing a Joint Cybersecurity Advisory on Russian Foreign Intelligence Service SVR tactics, techniques, and procedures. Further TTPs...

Mozilla Releases Security Updates for Firefox

Mozilla has released security updates to address vulnerabilities in Firefox. An attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Mozilla Security Advisory for Firefox 88.0.1 and apply the necessary updates...

 Cisco Releases Security Updates for Multiple Products 

Cisco has released security updates to address vulnerabilities in multiple Cisco products. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page. CISA...

CISA Releases Analysis Reports on New FiveHands Ransomware

CISA is aware of a recent, successful cyberattack against an organization using a new ransomware variant, known as FiveHands, that has been used to successfully conduct a cyberattack against an organization. CISA has released AR21-126A: FiveHands Ransomware and MAR-10324784-1.v1: FiveHands...

VMware Releases Security Update

VMware has released a security update to address a vulnerability in VMware vRealize Business for Cloud. A remote attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review VMware Security Advisory VMSA-2021-0007 and apply th...