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 One Vulnerability to the KEV Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2025-22457link is external Ivanti Connect Secure, Policy Secure and ZTA Gateways Stack-Based Buffer Overflow Vulnerability These types of vulnerabilities are frequent...

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...

ISC Releases Security Updates for BIND

The Internet Systems Consortium ISC has released security updates to address a vulnerability in BIND. Exploitation of this vulnerability may allow a remote attacker to cause a denial of service condition. Updates available include: BIND 9-version 9.9.7-P1 BIND 9-version 9.10.2-P2 Users and...

CISA and Partners Release Update to Malware Analysis Report BRICKSTORM Backdoor

Today, the Cybersecurity and Infrastructure Security Agency CISA, National Security Agency, and Canadian Centre for Cyber Security released an update to the Malware Analysis Report BRICKSTORM Backdoor with indicators of compromise IOCs and detection signatures for additional BRICKSTORM samples...

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...

CISA-FBI Guidance for MSPs and their Customers Affected by the Kaseya VSA Supply-Chain Ransomware Attack

CISA and the Federal Bureau of Investigation FBI continue to respond to the recent supply-chain ransomware attack leveraging a vulnerability in Kaseya VSA software against multiple managed service providers MSPs and their customers. CISA and FBI strongly urge affected MSPs and their customers to...

Citrix Adds SD-WAN WANOP, Updated Mitigations to CVE-2019-19781 Advisory

Citrix has released an article with updates on CVE-2019-19781, a vulnerability affecting Citrix Application Delivery Controller ADC and Citrix Gateway. This vulnerability also affects Citrix SD-WAN WANOP product versions 10.2.6 and version 11.0.3. The article includes updated mitigations for Citr...

SWAPGS Spectre Side-Channel Vulnerability

The Cybersecurity and Infrastructure Security Agency CISA is aware of a vulnerability CVE-2019-1125 known as SWAPGS, which is a variant of Spectre Variant 1—that affects modern computer processors. This vulnerability can be exploited to steal sensitive data present in a computer systems' memory...

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 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...

CISA Releases SSVC Methodology to Prioritize Vulnerabilities

Today CISA published its guide on Stakeholder-Specific Vulnerability Categorization SSVC, a vulnerability management methodology that assesses vulnerabilities and prioritizes remediation efforts based on exploitation status, impacts to safety, and prevalence of the affected product in a singular...

CISA Releases Malware Analysis Reports on Barracuda Backdoors

Updated September 7, 2023 CISA has published an additional malware analysis report associated with malicious Barracuda activity. The report provides analysis on the following malware samples: SUBMARINE – SUBMARINE is a backdoor that exploits a vulnerability on the target environment where the...

Oracle Patches Bash Vulnerabilities

Oracle has released security updates to address bash vulnerabilities found across multiple products. US-CERT recommends users and administrators review the Oracle Security Article for additional details, and apply updates as necessary. This product is provided subject to this Notification and thi...

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...

CISA Releases 12 Industrial Control Systems Advisories

CISA released 12 Industrial Control Systems ICS Advisories. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-345-01 Johnson Controls iSTAR ICSA-25-345-02 Johnson Controls iSTAR Ultra ICSA-25-345-03 AzeoTech DAQFactor...

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-2025-32756link is external Fortinet Multiple Products Stack-Based Buffer Overflow Vulnerability These types of vulnerabilities are frequent attack vectors for malicio...

Atlassian Releases New Versions of Confluence Server and Data Center to Address CVE-2022-26134

Atlassian has released new Confluence Server and Data Center versions to address remote code execution vulnerability CVE-2022-26134 affecting these products. An unauthenticated remote attacker could exploit this vulnerability to execute code remotely. Atlassian reports that there is known...

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 and Partners Release Guidance for Ongoing Global Exploitation of Cisco SD-WAN Systems

Update May 14, 2026: CISA has updated this Alert to include additional vulnerabilities, CVE-2026-20133 and CVE-2026-20182 and associated resources. The purpose of this Alert is to provide resources for organizations with Cisco Software-Defined Wide-Area Networking SD-WAN systems, including Federa...

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...

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...

Google Releases Security Updates for Chrome

Google has released Chrome version 91.0.4472.164 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-2021-30563—has been detected in exploits in the wild. CISA encourages users a...

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...

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 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...

Microsoft Releases Security Update for Azure Linux Open Management Infrastructure

Updated, September 17 On September 16, 2021, Microsoft released additional guidance on Open Management Infrastructure OMI vulnerabilities—CVE-2021-38645, CVE-2021-38649, CVE-2021-38648, and CVE-2021-38647—which impact Azure VM Management Extensions. According to Microsoft, “customers must update...

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-2023-36033 Microsoft Windows Desktop Window Manager DWM Core Library Privilege Escalation Vulnerability CVE-2023-36025 Microsoft Windows SmartScreen Security...

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-2022-47986 IBM Aspera Faspex Code Execution Vulnerability CVE-2022-41223 Mitel MiVoice Connect Code Injection Vulnerability CVE-2022-40765 Mitel MiVoice Connect...

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...

Cisco Semiannual Security Advisory Bundle

Cisco has released its semiannual IOS and IOS XE Software Security Advisory bundle to address multiple vulnerabilities. Exploitation of these vulnerabilities could allow a remote attacker to bypass user authentication or cause a denial-of-service condition. US-CERT encourages users 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-2023-34048 VMware vCenter Server Out-of-Bounds Write Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose...

Microsoft Addresses Windows TCP/IP RCE/DoS Vulnerability

Microsoft has released a security update to address a protocol vulnerability—CVE-2020-16898—in Windows Transmission Control Protocol TCP/IP stack handling of Internet Control Message Protocol version 6 ICMPv6 Router Advertisement packets. A remote attacker could exploit this vulnerability to take...

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...

IBM Cisco Security Update

IBM has released a security update to address some vulnerabilities in its IBM Cisco MDS Series Switches Data Center Network Manager DCNM software. Exploitation of these vulnerabilities may allow a remote attacker to take control of an affected system. US-CERT encourages users and administrators t...

CISA Releases IOCs Associated with Malicious Barracuda Activity

CISA has released additional indicators of compromise IOCs associated with exploitation of CVE-2023-2868. CVE-2023-2868 is a remote command injection vulnerability affecting Barracuda Email Security Gateway ESG Appliance, versions 5.1.3.001-9.2.0.006. Malicious threat actors exploited this...

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...

Exploitation of Unitronics PLCs used in Water and Wastewater Systems

CISA is responding to active exploitationlink is external of Unitronics programmable logic controllers PLCs used in the Water and Wastewater Systems WWS Sector. Cyber threat actors are targeting PLCs associated with WWS facilities, including an identified Unitronics PLC, at a U.S. water facility...

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-2018-14667 Red Hat JBoss RichFaces Framework Expression Language Injection Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cybe...

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-2023-2868 Barracuda Networks ESG Appliance Improper Input Validation Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber acto...

Atlassian Releases Security Updates for Confluence Server and Data Center

On August 25, 2021, Atlassian released security updates to address a remote code execution vulnerability CVE-2021-26084 affecting Confluence Server and Data Center. Recently, CVE-2021-26084 has been detected in exploits in the wild. A remote attacker could exploit this vulnerability to take contr...

New StopRansomware.gov website – The U.S. Government’s One-Stop Location to Stop Ransomware

The U.S. Government launched a new website to help public and private organizations defend against the rise in ransomware cases. StopRansomware.gov is a whole-of-government approach that gives one central location for ransomware resources and alerts. We encourage organizations to use this new...

Adobe Releases Security Updates for ColdFusion, LiveCycle Data Services, and Adobe Premiere Clip

Adobe has released security updates to address multiple vulnerabilities in ColdFusion, LiveCycle Data Services, and Adobe Premiere Clip. Exploitation of some of these vulnerabilities may allow a remote attacker to take control of an affected system. Users and administrators are encouraged to revi...

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-2024-20767link is external Adobe ColdFusion Improper Access Control Vulnerability CVE-2024-35250link is external Microsoft Windows Kernel-Mode Driver Untrusted...

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 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...

Linux Kernel Vulnerability

US-CERT is aware of a Linux kernel vulnerability known as Dirty COW CVE-2016-5195. Exploitation of this vulnerability may allow an attacker to take control of an affected system. US-CERT recommends that users and administrators review the Red Hat CVE Database, the Canoical Ubuntu CVE Tracker, and...

Ivanti Releases Security Updates for Neurons for ITSM and Standalone Sentry

Ivanti has released security advisories to address vulnerabilities in Ivanti Neurons for ITSM and Standalone Sentry. A cyber threat actor could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following Ivanti advisories a...

CISA Adds One Known Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2021-29256 Arm Mali GPU Kernel Driver Use-After-Free Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose...

Oracle Releases Critical Patch Update for April 2011

Oracle has released their Critical Patch Update for April 2011 to address 73 vulnerabilities across multiple products. This update contains the following security fixes: 6 updates for the Oracle Database Server 9 updates for Oracle Fusion Middleware 1 update for Oracle Enterprise Manager Grid...