Category: CISA.gov

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, see Siemens' ProductCERT Security Advisories (CERT

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, see Siemens' ProductCERT Security Advisories (CERT

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, see Siemens' ProductCERT Security Advisories (CERT

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, see Siemens' ProductCERT Security Advisories (CERT

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2025-24201 Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability CVE-2025-21590 Juniper Junos OS Improper Isolation or Compartmentalization Vulnerability These types

Today, CISA—in partnership with the Federal Bureau of Investigation (FBI) and Multi-State Information Sharing and Analysis Center (MS-ISAC)—released joint Cybersecurity Advisory, #StopRansomware: Medusa Ransomware. This advisory provides tactics, techniques, and procedures (TTPs), indicators of compromise (IOCs),

Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware effort to publish advisories for network defenders detailing various ransomware variants and ransomware threat actors. These #StopRansomware advisories include recently and historically observed tactics,

CISA has added six new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2025-24983 Microsoft Windows Win32k Use-After-Free Vulnerability CVE-2025-24984 Microsoft Windows NTFS Information Disclosure Vulnerability CVE-2025-24985 Microsoft Windows Fast FAT File

View CSAF 1. EXECUTIVE SUMMARY CVSS v4 9.3 ATTENTION: Exploitable remotely/low attack complexity Vendor: Optigo Networks Equipment: Visual BACnet Capture Tool, Optigo Visual Networks Capture Tool Vulnerabilities: Use of Hard-coded, Security-relevant Constants, Authentication Bypass Using an

CISA released two Industrial Control Systems (ICS) advisories on March 11, 2025. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-070-01 Schneider Electric Uni-Telway Driver ICSA-25-070-02 Optigo Networks Visual BACnet