VMware Releases Security Advisory

VMware has released a security advisory to address a vulnerability in Workspace ONE UEM console. An attacker could exploit this vulnerability to obtain sensitive information. CISA encourages users and administrators to review VMware Security Advisory VMSA-2021-0029 and apply the necessary...

CISA Issues ED 22-02 Directing Federal Agencies to Mitigate Apache Log4j Vulnerabilities

CISA has issued Emergency Directive ED 22-02: Mitigate Apache Log4j Vulnerability, directing federal civilian executive branch FCEB agencies to address Log4j vulnerabilities—most notably, CVE-2021-44228. Although ED 22-02 applies to FCEB agencies, CISA strongly recommends that all organizations...

NSA and CISA Release Final Part IV of Guidance on Securing 5G Cloud Infrastructures

CISA has announced the joint National Security Agency NSA and CISA publication of the final of a four-part series, Security Guidance for 5G Cloud Infrastructures. Part IV: Ensure Integrity of Cloud Infrastructure focuses on platform integrity, microservices infrastructure integrity, launch time...

Immediate Steps to Strengthen Critical Infrastructure against Potential Cyberattacks

In light of persistent and ongoing cyber threats, CISA urges critical infrastructure owners and operators to take immediate steps to strengthen their computer network defenses against potential cyberattacks. CISA has released CISA Insights: Preparing For and Mitigating Potential Cyber Threats to...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence that threat actors are actively exploiting the vulnerabilities listed in the table below. These types of vulnerabilities are a frequent attack vector for malicious cyber actors of all types an...

Apple Releases Security Updates for Multiple Products

Apple has released security updates to address vulnerabilities in multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Apple security pages for the following products and apply the...

Google Releases Security Updates for Chrome

Google has released Chrome version 96.0.4664.110 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 as...

Microsoft Releases December 2021 Security Updates

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

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...

SAP Releases December 2021 Security Updates

SAP has released security updates to address vulnerabilities affecting multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the SAP Security Notes for December 2021 and apply the...

CISA Creates Webpage for Apache Log4j Vulnerability CVE-2021-44228

CISA and its partners, through the Joint Cyber Defense Collaborative, are tracking and responding to active, widespread exploitation of a critical remote code execution vulnerability CVE-2021-44228 affecting Apache Log4j software library versions 2.0-beta9 to 2.14.1. Log4j is very broadly used in...

CISA Releases Security Advisory for Hillrom Welch Allyn Cardiology Products

CISA has released an Industrial Controls Systems Medical Advisory ICSMA detailing a vulnerability in multiple Hillrom Welch Allyn cardiology products. An attacker could exploit this vulnerability to take control of an affected system. CISA encourages technicians and administrators to review...

Apache Releases Log4j Version 2.15.0 to Address Critical RCE Vulnerability Under Exploitation

The Apache Software Foundation has released a security advisory to address a remote code execution vulnerability CVE-2021-44228 affecting Log4j versions 2.0-beta9 to 2.14.1. A remote attacker could exploit this vulnerability to take control of an affected system. Log4j is an open-source, Java-bas...

CISA Adds 13 Known Exploited Vulnerabilities to Catalog

CISA has added 13 new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence that threat actors are actively exploiting the vulnerabilities listed in the table below. These types of vulnerabilities are a frequent attack vector for malicious cyber actors of all types and...

CISA Adds Thirteen Known Exploited Vulnerabilities to Catalog

CISA has added thirteen new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence that threat actors are actively exploiting the vulnerabilities listed in the table below. These types of vulnerabilities are a frequent attack vector for malicious cyber actors of all typ...

CISA Releases Guidance on Protecting Organization-Run Social Media Accounts

CISA has released Capacity Enhancement Guide CEG: Social Media Account Protection, which details ways to protect the security of organization-run social media accounts. Malicious cyber actors that successfully compromise social media accounts—including accounts used by federal agencies—could spre...

Cisco Releases Security Advisory for Multiple Products Affected by Apache HTTP Server Vulnerabilities

Cisco has released a security advisory to address Cisco products affected by multiple vulnerabilities in Apache HTTP Server 2.4.48 and earlier releases. An unauthenticated remote attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and...

SonicWall Releases Security Advisory for SMA 100 Series Appliances

SonicWall has released a security advisory to address vulnerabilities affecting SonicWall Secure Mobile Access SMA 100 series appliances. A remote attacker could exploit these vulnerabilities to take control of an affected system. SMA 100 series appliances provide an organization’s employees with...

Mozilla Releases Security Updates for Firefox, Firefox ESR, and Thunderbird

Mozilla has released security updates to address vulnerabilities in Firefox, Firefox ESR, and Thunderbird. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Mozilla security advisories for Firefox...

Zoho Releases Security Advisory for ManageEngine Desktop Central and Desktop Central MSP

Zoho has released a security advisory to address an authentication bypass vulnerability in ManageEngine Desktop Central and Desktop Central MSP. An attacker could exploit this vulnerability to take control of an affected system. According to Zoho, this vulnerability is being actively exploited in...

CISA Releases Security Advisory on WebHMI Vulnerabilities

CISA has released an Industrial Controls Systems ICS advisory detailing vulnerabilities in Distributed Data Systems WebHMI products. A remote attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review ICS advisory...

NSA and CISA Release Part III of Guidance on Securing 5G Cloud Infrastructures

CISA has announced the joint National Security Agency NSA and CISA publication of the third of a four-part series, Security Guidance for 5G Cloud Infrastructures. Part III: Data Protection examines security during all phases of the data lifecycle—in transit, in use, and at rest. The guidance...

Mozilla Releases Security Updates for Network Security Services

Mozilla has released security updates to address a vulnerability in Network Security Services NSS. An attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review the Mozilla Security Advisory for NSS and apply the necessary...

CISA and FBI Release Alert on Active Exploitation of CVE-2021-44077 in Zoho ManageEngine ServiceDesk Plus

CISA and the Federal Bureau of Investigation FBI have released a joint Cybersecurity Advisory identifying active exploitation of a vulnerability—CVE-2021-44077—in Zoho ManageEngine ServiceDesk Plus. CVE-2021-44077 is an unauthenticated remote code execution vulnerability that affects all...

CISA Adds Five Known Exploited Vulnerabilities to Catalog

CISA has added five new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence that threat actors are actively exploiting the vulnerabilities listed in the table below. These types of vulnerabilities are a frequent attack vector for malicious cyber actors of all types a...

CISA Releases Capacity Enhancement Guides to Enhance Mobile Device Cybersecurity for Consumers and Organizations

CISA has released actionable Capacity Enhancement Guides CEGs to help users and organizations improve mobile device cybersecurity. The CEG: Mobile Device Cybersecurity Checklist for Consumers provides steps for consumers, including using strong authentication and enabling automatic operating syst...

VMware Releases Security Updates

VMware has released security updates to address multiple vulnerabilities in vCenter Server and Cloud Foundation. A remote attacker can exploit this vulnerability to obtain access to sensitive information. CISA encourages users and administrators to review VMware Security Advisory VMSA-2021-0027 a...

Reminder for Critical Infrastructure to Stay Vigilant Against Threats During Holidays and Weekends

As Americans prepare to hit the highways and airports this Thanksgiving holiday, CISA and the Federal Bureau of Investigation FBI are reminding critical infrastructure partners that malicious cyber actors aren’t making the same holiday plans as you. Recent history tells us that this could be a ti...

Updated: APT Exploitation of ManageEngine ADSelfService Plus Vulnerability

The Federal Bureau of Investigation FBI, CISA, and Coast Guard Cyber Command CGCYBER have updated the Joint Cybersecurity Advisory CSA published on September 16, 2021, which details the active exploitation of an authentication bypass vulnerability CVE-2021-40539 in Zoho ManageEngine ADSelfService...

NSA and CISA Release Guidance on Securing 5G Cloud Infrastructures

CISA has announced the joint National Security Agency NSA and CISA publication of the second of a four-part series, Security Guidance for 5G Cloud Infrastructures. Part II: Securely Isolate Network Resources examines threats to 5G container-centric or hybrid container/virtual network, also known ...

NCSC Releases 2021 Annual Review

The United Kingdom UK National Cyber Security Centre NCSC has released its Annual Review 2021, which focuses on its response to evolving and challenging cyber threats. The publication contains highlights of NCSC’s collaboration with trusted cybersecurity partners, including CISA. Examples include...

Drupal Releases Security Updates

Drupal has released security updates to address vulnerabilities that could affect versions 8.9, 9.1, and 9.2. An attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Drupal Security Advisory SA-CORE-2021-011 and app...

Iranian Government-Sponsored APT Cyber Actors Exploiting Microsoft Exchange and Fortinet Vulnerabilities

CISA, the Federal Bureau of Investigation FBI, the Australian Cyber Security Centre ACSC, and the United Kingdom’s National Cyber Security Centre NCSC have released a joint Cybersecurity Advisory highlighting ongoing malicious cyber activity by an advanced persistent threat APT group that FBI,...

CISA Adds Four Known Exploited Vulnerabilities to Catalog

CISA has added four new vulnerabilities to its Known Exploited Vulnerabilities Catalog, which require remediation from federal civilian executive branch FCEB agencies by December 1, 2021. CISA has evidence that threat actors are actively exploiting the vulnerabilities listed in the table below...

New Federal Government Cybersecurity Incident and Vulnerability Response Playbooks

The White House, via Executive Order EO 14028: Improving the Nation’s Cybersecurity, tasked CISA, as the operational lead for federal cybersecurity, to “develop a standard set of operational procedures i.e., playbook to be used in planning and conducting cybersecurity vulnerability and incident...

Google Releases Security Updates for Chrome

Google has released Chrome version 96.0.4664.45 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 as...

Palo Alto Networks Release Security Updates for PAN-OS

Palo Alto Networks has released security updates to address a vulnerability affecting PAN-OS firewall configurations with GlobalProtect portal and gateway interfaces. These updates address a vulnerability that only affects old versions of PAN-OS 8.1.16 and earlier. An unauthenticated attacker wit...

VMware Releases Security Update for Tanzu Application Service for VMs

VMware has released a security update to address a vulnerability in Tanzu Application Service for VMs. A remote attacker could exploit this vulnerability to cause a denial-of-service condition. CISA encourages users and administrators to review VMware Security Advisory VMSA-2021-0026 and apply th...

CISA Releases Advisory on Vulnerabilities in Multiple Data Distribution Service Implementations 

CISA has released an Industrial Control Systems Advisory ICSA related to a public report detailing vulnerabilities found in multiple open-source and proprietary Object Management Group OMG Data-Distribution Service DDS implementations. Successful exploitation of these vulnerabilities could result...

Apple Releases Security Update for iCloud for Windows 13

Apple has released a security update to address multiple vulnerabilities in iCloud for Windows 13. An attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Apple security page and apply the necessary update. This...

VMware Releases Security Advisory

VMware has released a security advisory to address a privilege escalation vulnerability in vCenter Server and Cloud Foundation. An attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review VMware Security Advisory...

Microsoft Releases November 2021 Security Updates

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

CISA Releases Security Advisory on Siemens Nucleus Real-Time Operating Systems

CISA has released an Industrial Control Systems ICS advisory detailing multiple vulnerabilities found in Siemens Nucleus Real-Time Operating Systems RTOS and supporting libraries. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages...

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 the following Adobe Security Bulletins and apply the necessa...

SAP Releases November 2021 Security Updates

SAP has released security updates to address vulnerabilities affecting multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the SAP Security Notes for November 2021 and apply the...

Security Researchers Reveal Activity Targeting ManageEngine ADSelfService Plus

On September 16, CISA released a joint alert on exploitation of a vulnerability CVE-2021-40539 in ManageEngine ADSelfService Plus. On November 8, security researchers from Palo Alto Networks and Microsoft Threat Intelligence Center MSTIC released separate reports on targeted attacks against...

Citrix Releases Security Updates

Citrix has released security updates to address vulnerabilities affecting multiple versions of Citrix Application Delivery Controller ADC, Gateway, and SD-WAN WANOP. An attacker could exploit these vulnerabilities to cause a denial-of-service condition. CISA encourages users and administrators to...

Samba Releases Security Updates

The Samba Team has released security updates to address vulnerabilities in multiple versions of Samba. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following Samba security announcements and...

BrakTooth Proof of Concept Tool Demonstrates Bluetooth Vulnerabilities

On November 1, 2021, researchers publicly released a BrakTooth proof-of-concept PoC tool to test Bluetooth-enabled devices against potential Bluetooth exploits using the researcher’s software tools. BrakTooth—originally disclosed in August 2021—is a family of security vulnerabilities in commercia...

Cisco Releases Security Updates for Multiple Products

Cisco has released security updates to address vulnerabilities in multiple Cisco products. An 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 encourages...