CISA Adds Four Known Exploited Vulnerabilities to Catalog

CISA has added four vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-55591link is external Fortinet FortiOS Authorization Bypass Vulnerability CVE-2025-21333link is external Microsoft Windows Hyper-V NT Kernel Integration VSP...

CISA Adds Three Known Exploited Vulnerabilities to Catalog

CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-48788 Fortinet FortiClient EMS SQL Injection Vulnerability CVE-2021-44529 Ivanti Endpoint Manager Cloud Service Appliance EPM CSA Code Injection Vulnerabilit...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-28434 MinIO Security Feature Bypass Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risk...

ISC Releases BIND Security Updates

The Internet Systems Consortium ISC has released updates that address vulnerabilities in versions of ISC Berkeley Internet Name Domain BIND. A remote attacker could exploit these vulnerabilities to cause a denial-of-service condition. The Cybersecurity and Infrastructure Security Agency CISA...

CISA and FBI Release Secure by Design Alert on Eliminating OS Command Injection Vulnerabilities

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-2024-20399link is external,...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-21237 Android Pixel Information Disclosure Vulnerability CVE-2021-36380 Sunhillo SureLine OS Command Injection Vulnerablity These types of vulnerabilities are...

CISA Adds Five Known Vulnerabilities to Catalog

CISA has added five new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-32046 Microsoft Windows MSHTML Platform Privilege Escalation Vulnerability CVE-2023-32049 Microsoft Windows Defender SmartScreen Security Feature Bypass...

Microsoft Releases Security Updates for Windows 10, Windows Server

Microsoft has released security updates to address vulnerabilities in Windows 10 and Windows Server. These vulnerabilities could allow a remote attacker to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review t...

Juniper Networks Releases Security Updates

Juniper Networks has released security updates to address vulnerabilities affecting multiple products. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. NCCIC encourages users and administrators to review the following Juniper Security Advisories...

CISA Adds Three Known Exploited Vulnerabilities to Catalog

CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-23692 Rejetto HTTP File Server Improper Neutralization of Special Elements Used in a Template Engine Vulnerability CVE-2024-38080 Microsoft Windows Hyper-V...

CISA Adds Three Known Exploited Vulnerabilities to Catalog

CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-6549 Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability CVE-2023-6548 Citrix NetScaler ADC and NetScaler Gateway Code Injection...

FBI Update on Exploitation of Fortinet FortiOS Vulnerabilities

The Federal Bureau of Investigation FBI has released an FBI FLASH, APT Actors Exploiting Fortinet Vulnerabilities to Gain Access for Malicious Activity, which describes advanced persistent threat APT actors exploiting known Fortinet FortiOS vulnerabilities. APT actors may exploit these...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-20131link is external Cisco Secure Firewall Management Center FMC Software and Cisco Security Cloud Control SCC Firewall Management Deserialization of...

CISA Adds Six Known Exploited Vulnerabilities to Catalog

CISA has added six new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-21510link is external Microsoft Windows Shell Protection Mechanism Failure Vulnerability CVE-2026-21513link is external Microsoft MSHTML Framework Security...

CISA Adds Three Known Exploited Vulnerabilities to Catalog

CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2025-9242link is external WatchGuard Firebox Out-of-Bounds Write Vulnerability CVE-2025-12480link is external Gladinet Triofox Improper Access Control...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-38812link is external VMware vCenter Server Heap-Based Buffer Overflow Vulnerability CVE-2024-38813link is external VMware vCenter Server Privilege Escalation...

CISA Releases Fifteen Industrial Control Systems Advisories

CISA released fifteen 15 Industrial Control Systems ICS advisories on February 16, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisories f...

Samba Releases Security Updates 

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

Apache Releases Security Advisories for Apache Tomcat

The Apache Software Foundation has released security advisories to address multiple vulnerabilities in Apache Tomcat. An attacker could exploit these vulnerabilities to cause a denial-of-service condition. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrato...

CISA Adds Three Known Exploited Vulnerabilities to Catalog

CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-30088link is external Microsoft Windows Kernel TOCTOU Race Condition Vulnerability CVE-2024-9680link is external Mozilla Firefox Use-After-Free Vulnerability...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-6448 Unitronics Vision PLC and HMI Insecure Default Password These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose...

Apache Releases Security Advisory for Struts 2

The Apache Software Foundation has released a security advisory to address vulnerabilities in Struts in the version range 2.0.0—2.5.20. An attacker could exploit one of these vulnerabilities to take control of an affected system. The current version, Struts 2.5.22, is not affected. The...

F5 Releases Security Advisory for BIG-IP TMUI RCE vulnerability, CVE-2020-5902

F5 has released a security advisory to address a remote code execution RCE vulnerability—CVE-2020-5902—in the BIG-IP Traffic Management User Interface TMUI. An attacker could exploit this vulnerability to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CIS...

CISA Adds Single-Factor Authentication to list of Bad Practices

Today, CISA added the use of single-factor authentication for remote or administrative access systems to our Bad Practices list of exceptionally risky cybersecurity practices. Single-factor authentication is a common low-security method of authentication. It only requires matching one factor—such...

Cisco Releases Security Updates

Cisco has released security updates to address vulnerabilities in 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. The Cybersecurity an...

Abuse of the Service Location Protocol May Lead to DoS Attacks

The Service Location Protocol SLP, RFC 2608link is external allows an unauthenticated remote attacker to register arbitrary services. This could allow an attacker to use spoofed UDP traffic to conduct a denial-of-service DoS attack with a significant amplification factor. Researchers from Bitsigh...

CISA Adds One Known Exploited Vulnerability (CVE-2022-26134) to Catalog  

CISA has added one new vulnerability—CVE-2022-26134—to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise. Note: to view t...

VMware Releases Security Advisory for vCenter Server

VMware released a security advisory for vulnerabilities CVE-2023-34048, CVE-2023-34056 affecting the VMware vCenter Serverlink is external. A remote cyber actor could exploit one of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the...

CISA Updates Best Practices for Mapping to MITRE ATT&CK®

Today, CISA updated Best Practices for MITRE ATT&CK® Mapping. The MITRE ATT&CK® framework is a lens through which network defenders can analyze adversary behavior and, as CISA Executive Assistant Director Eric Goldstein noted in his June 2021 blog post on the framework, it directly supports...

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...

Google Releases Security Updates for Chrome

Google has released Chrome version 91.0.4472.101 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system. One of these vulnerabilities—CVE-2021-30551—has been detected in exploits in the wild. CISA encourages users a...

Apache Releases Security Update for Apache Tomcat JK Connectors

The Apache Software Foundation has released a security update to address a vulnerability affecting Apache Tomcat JK Connectors 1.2.0 to 1.2.44. A remote attacker could exploit this vulnerability to obtain access to sensitive information. NCCIC encourages users and administrators to review the...

Microsoft Releases Security Updates for its Malware Protection Engine

Microsoft has released updates to address a vulnerability in Microsoft Malware Protection Engine affecting multiple products. A remote attacker could exploit this vulnerability to take control of an affected system. US-CERT encourages users and administrators to review Microsoft's Advisory and...

CISA Releases Cybersecurity Advisory on SimpleHelp RMM Vulnerability

Today, CISA released Cybersecurity Advisory: Ransomware Actors Exploit Unpatched SimpleHelp Remote Monitoring and Management to Compromise Utility Billing Software Provider. This advisory is in response to ransomware actors targeting customers of a utility billing software provider through...

ISC Releases Security Advisories for BIND

The Internet Systems Consortium ISC has released security advisories that address vulnerabilities affecting multiple versions of ISC Berkeley Internet Name Domain BIND. A remote attacker could exploit these vulnerabilities to cause a denial-of-service condition. The Cybersecurity and Infrastructu...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-21412 Microsoft Windows Internet Shortcut Files Security Feature Bypass Vulnerability CVE-2024-21351 Microsoft Windows SmartScreen Security Feature Bypass...

CISA Adds Two Known Exploited Vulnerabilities to Catalog, Removes Five KEVs

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation: CVE-2023-42793 JetBrains TeamCity Authentication Bypass Vulnerability CVE-2023-28229 Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability Thes...

Apache Releases Security Advisory for Tomcat

The Apache Software Foundation has released a security advisory to address a vulnerability affecting multiple versions of Apache Tomcat. An attacker could exploit this vulnerability to obtain sensitive information. CISA encourages users and administrators to review the Apache security advisory fo...

ISC Releases Security Advisories for BIND

The Internet Systems Consortium ISC has released security advisories that address vulnerabilities affecting multiple versions of ISC Berkeley Internet Name Domain BIND. A remote attacker could exploit one of these vulnerabilities to obtain sensitive information. The Cybersecurity and Infrastructu...

CRI-O Security Update for Kubernetes

CRI-O has released a security update addressing a critical vulnerability—CVE-2022-0811—in CRI-O 1.19. A local attacker could exploit this vulnerability to take control of an affected Kubernetes environment as well as other software or platforms that use CRI-O runtime containers. CISA encourages...

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...

Critical ForgeRock Access Management Vulnerability

Malicious cyber actors are actively exploiting a pre-authorization remote code execution vulnerability CVE-2021-35464 in ForgeRock Access Management—a commercial open access management solution that is based on OpenAM, an open-source access management solution. An attacker exploiting this...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-42897link is external Microsoft Exchange Server Cross-Site Scripting Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber...

Microsoft Releases Guidance on High-Severity Vulnerability (CVE-2025-53786) in Hybrid Exchange Deployments

Update 08/12/2025: CISA has updated this alert to provide clarification on identifying Exchange Servers on an organization’s networks and provided further guidance on running the Microsoft Exchange Health Checker. Update 08/07/2025: CISA issued Emergency Directive ED 25-02: Mitigate Microsoft...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2025-24016link is external Wazuh Server Deserialization of Untrusted Data Vulnerability CVE-2025-33053link is external Web Distributed Authoring and Versioning...

Zero-Day Vulnerability in SonicWall SMA 100 Series Version 10.x Products

CISA is aware of a vulnerability in SonicWall Secure Mobile Access SMA 100 series products. SMA 100 series products provide an organization’s employees with remote access to internal resources. SonicWall security and engineering teams have confirmed a zero-day vulnerability that was reported by a...

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 obtain sensitive information. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review t...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-21385link is external Qualcomm Multiple Chipsets Memory Corruption Vulnerability CVE-2026-22719link is external Broadcom VMware Aria Operations Command...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2021-22175link is external GitLab Server-Side Request Forgery SSRF Vulnerability CVE-2026-22769link is external Dell RecoverPoint for Virtual Machines RP4VMs Us...

PRC State-Sponsored Actors Use BRICKSTORM Malware Across Public Sector and Information Technology Systems

The Cybersecurity and Infrastructure Security Agency CISA is aware of ongoing intrusions by People’s Republic of China PRC state-sponsored cyber actors using BRICKSTORM malware for long-term persistence on victim systems. BRICKSTORM is a sophisticated backdoor for VMware vSphere1,2 and Windows...