4238 matches found
CISA Issues Emergency Directive and Releases Advisory Related to VMware Vulnerabilities
CISA has issued Emergency Directive ED 22-03 and released a Cybersecurity Advisory CSA in response to active and expected exploitation of multiple vulnerabilities in the following VMware products: VMware Workspace ONE Access Access, VMware Identity Manager vIDM, VMware vRealize Automation vRA,...
CISA Releases Emergency Directive on Microsoft Windows Netlogon Remote Protocol
The Cybersecurity and Infrastructure Security Agency CISA has released Emergency Directive ED 20-04 addressing a critical vulnerability— CVE-2020-1472—affecting Microsoft Windows Netlogon Remote Protocol. An unauthenticated attacker with network access to a domain controller could exploit this...
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...
Ivanti Releases Security Update for Ivanti Connect Secure and Policy Secure Gateways
Ivanti has released security updates to address vulnerabilities in all supported versions 9.x and 22.x of Ivanti Connect Secure and Policy Secure gateways. A cyber threat actor could exploit one of these vulnerabilities to take control of an affected system. Users and administrators are encourage...
Citrix Releases Security Updates for Citrix ADC, Citrix Gateway
Citrix has released security updates to address a critical vulnerability CVE-2022-27518 in Citrix ADC and Citrix Gateway. An attacker could exploit this vulnerability to take control of an affected system. This vulnerability has been exploited in the wild. CISA encourages users and administrators...
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...
Samba Releases Security Updates
The Samba Team has released security updates to address vulnerabilities in multiple versions of Samba. An attacker could exploit one of these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to...
Debug Exception May Cause Unexpected Behavior
CERT Coordination Center CERT/CC has released information for CVE-2018-8897 – unexpected behavior for debug exceptions. A local attacker could exploit this bug to obtain sensitive information. NCCIC encourages users and administrators to review CERT/CC’s Vulnerability Note VU 631579 for more...
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-2024-40891link is external Zyxel DSL CPE OS Command Injection Vulnerability CVE-2024-40890link is external Zyxel DSL CPE OS Command Injection Vulnerability...
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,...
Updates on Microsoft Exchange Server Vulnerabilities
CISA has added seven Malware Analysis Reports MARs to Alert AA21-062A: Mitigate Microsoft Exchange Server Vulnerabilities. Each MAR identifies a webshell associated with exploitation of the vulnerabilities in Microsoft Exchange Server products. After successful exploiting a Microsoft Exchange...
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...
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...
VMware vCenter Server Vulnerability CVE-2021-22005 Under Active Exploit
On September 21, 2021, VMware disclosed that its vCenter Server is affected by an arbitrary file upload vulnerability—CVE-2021-22005—in the Analytics service. A malicious cyber actor with network access to port 443 can exploit this vulnerability to execute code on vCenter Server. On September 24,...
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...
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...
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...
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...
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 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...
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...
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...
Apache Releases Security Update for Apache HTTP Server
Updated October 7, 2021 Apache has released additional fixes for CVE-2021-41773, which is tracked as CVE-2021-42013. For more information see the Apache vulnerabilities page. Originally published October 6, 2021 The Apache Software Foundation has released Apache HTTP Server version 2.4.50 to...
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 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...
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...
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...
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...
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 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 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...
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-2026-48907link is external Widget Factory Joomla Content Editor Improper Access Control Vulnerability This type of vulnerability is a frequent attack vector for...
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-2024-8069link is external Citrix Session Recording Deserialization of Untrusted Data Vulnerability CVE-2024-8068link is external Citrix Session Recording...
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...
Updated: New Software Updates and Mitigations to Defend Against Exploitation of Ivanti Connect Secure and Policy Secure Gateways
Note: CISA will update this Alert with more information as it becomes available. Updated Feb. 15, 2024: On Feb. 14, 2024, Ivanti released new software updates for Ivanti Connect Secure and Ivanti Policy Secure. Review Ivanti's updated KB articlelink is external for more information. End of Feb. 1...
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...
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...
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...
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 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-2024-41713link is external Mitel MiCollab Path Traversal Vulnerability CVE-2024-55550link is external Mitel MiCollab Path Traversal Vulnerability CVE-2020-2883lin...
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...
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...
CISA Adds Four Known Exploited Vulnerabilities to Catalog
CISA has added four new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2025-31125link is external Vite Vitejs Improper Access Control Vulnerability CVE-2025-34026link is external Versa Concerto Improper Authentication Vulnerabilit...
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...
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...
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...
VMware Releases Security Update
VMware has released a security update to address a vulnerability in VMware Carbon Black Cloud Workload appliance. 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-2021-005 and...
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...