Category: alerts

Note: CISA will update this Alert with more information as it becomes available. As of 1130am EDT July 19, 2024:  CISA is aware of the widespread outage affecting Microsoft Windows hosts due to an issue with a recent CrowdStrike update and is working closely with Crowdstrike and federal, state, local, tribal and territorial (SLTT) partners,… Read more

Ivanti released security updates to address vulnerabilities in Ivanti Endpoint Manager (EPM) and Ivanti Endpoint Manager for Mobile (EPMM). 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 updates: Security Advisory EPM… Read more

High Vulnerabilities PrimaryVendor — Product Description Published CVSS Score Source & Patch Info Adobe–Bridge  Bridge versions 14.0.4, 13.0.7, 14.1 and earlier are affected by an Integer Overflow or Wraparound vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim… Read more

On July 12, AT&T released a public statement on unauthorized access of customer data from a third-party cloud platform. AT&T also provided recommendations and resources for affected customers.     CISA encourages customers to review the following AT&T article for additional information and follow necessary guidance to help protect personal information.    AT&T: Unlawful access of customer data Read more

EXECUTIVE SUMMARY In early 2023, the Cybersecurity and Infrastructure Security Agency (CISA) conducted a SILENTSHIELD red team assessment against a Federal Civilian Executive Branch (FCEB) organization. During SILENTSHIELD assessments, the red team first performs a no-notice, long-term simulation of nation-state cyber operations. The team mimics the techniques, tradecraft, and behaviors of sophisticated threat actors and… Read more

Today, CISA released CISA Red Team’s Operations Against a Federal Civilian Executive Branch Organization Highlights the Necessity of Defense-in-Depth in coordination with the assessed organization. This Cybersecurity Advisory (CSA) details key findings and lessons learned from a 2023 assessment, along with the red team’s tactics, techniques, and procedures (TTPs) and associated network defense activity. The… Read more

Today, CISA and FBI are releasing their newest Secure by Design Alert in the series, Eliminating OS Command Injection Vulnerabilities, in response to recent well-publicized threat actor campaigns that exploited OS command injection defects in network edge devices (CVE-2024-20399, CVE-2024-3400, CVE-2024-21887) to target and compromise users. These vulnerabilities allowed unauthenticated malicious actors to remotely execute code on network… Read more

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 July Read more

Citrix released security updates to address vulnerabilities in multiple Citrix 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:   NetScaler ADC and NetScaler Gateway Security Update for CVE-2024-5491 and CVE-2024-5492 NetScaler… Read more

CISA has collaborated with the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) to release an advisory, People’s Republic of China (PRC) Ministry of State Security APT40 Tradecraft in Action outlining a PRC state-sponsored cyber group’s activity. The following organizations also collaborated with ASD’s ACSC on the guidance: The National Security Agency (NSA); The… Read more