[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fxY8VFQPr8fhtb4BZ8W0MM9Gwi5OCm1arkvY0HsWaGfQ":3},{"lesson":4},{"id":5,"slug":6,"article_id":7,"title":8,"body":9,"prevention":10,"framework_refs":11,"status":21,"created_at":22,"published_at":23,"article":24,"tags":28,"podcasts":41},"9b348f0e-c5c0-4f01-84a3-c1c7931526cf","cisa-flags-four-actively-exploited-vulnerabilities-across-major-vendors","8de3c943-ba11-4171-b455-9904c19f9d8a","CISA Flags Four Actively Exploited Vulnerabilities Across Major Vendors","CISA's addition of four new vulnerabilities affecting Fortinet, Citrix, Google Chromium, and Cisco to its Known Exploited Vulnerabilities Catalog confirms that threat actors are actively leveraging these weaknesses in the wild. The fact that these vulnerabilities span multiple high-profile vendors underscores how attackers systematically target widely deployed enterprise and government infrastructure. Federal agencies are legally obligated under BOD 26-04 to remediate public-facing asset vulnerabilities on a defined timeline, yet active exploitation signals that remediation velocity remains dangerously slow across many organizations. Delayed patching of known, catalogued vulnerabilities is one of the most preventable causes of significant breaches, making timely patch application a non-negotiable security baseline.","**Immediate actions:**\n- Apply vendor-released patches for affected Fortinet, Citrix, Google Chromium, and Cisco products without delay.\n- Run authenticated vulnerability scans against all internet-facing assets to confirm exposure to KEV-listed CVEs.\n- Temporarily restrict or isolate affected systems that cannot be immediately patched until remediation is complete.\n\n**Long-term improvements:**\n- Subscribe to CISA's KEV Catalog feed and integrate it into your vulnerability management platform for continuous, automated prioritization.\n- Establish a formal emergency patching SLA (e.g., 24–72 hours) for any vulnerability listed in the KEV Catalog or rated CVSS 9.0+.\n- Maintain a current, accurate asset inventory so patch coverage gaps on public-facing systems are immediately visible.\n\n**Detection measures:**\n- Deploy network-based intrusion detection signatures tuned to exploitation patterns for KEV-listed vulnerabilities.\n- Enable and centralize logging on all perimeter and network appliances to detect anomalous activity indicative of exploitation attempts.\n- Configure SIEM alerting to flag any inbound traffic patterns associated with known proof-of-concept exploit activity for catalogued CVEs.",[12,13,14,15,16,17,18,19,20],"CIS Control 7: Continuous Vulnerability Management","CIS Control 12: Network Infrastructure Management","NIST SP 800-40 Rev. 4: Guide to Enterprise Patch Management Planning","NIST SI-2: Flaw Remediation","NIST RA-5: Vulnerability Monitoring and Scanning","CISA BOD 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities","CISA BOD 26-04: Prioritization of Remediation on Public-Facing Assets","NIST CSF 2.0: Respond (RS.MI) – Incident Mitigation","ISO 27001:2022 Annex A 8.8: Management of Technical Vulnerabilities","published","2026-09-09T20:21:32.077426+00:00","2026-09-09T20:21:31.965+00:00",{"id":7,"url":25,"slug":26,"title":27},"https:\u002F\u002Fwww.cisa.gov\u002Fnews-events\u002Falerts\u002F2026\u002F09\u002F09\u002Fcisa-adds-four-known-exploited-vulnerabilities-catalog","cisa-adds-four-known-exploited-vulnerabilities-to-catalog-d90663","CISA Adds Four Known Exploited Vulnerabilities to Catalog",[29,35],{"id":30,"name":31,"slug":32,"description":33,"color":34},"05757c8d-6b93-4194-b35d-7359e7d33b0e","Vulnerability Management","vulnerability-management","Missing scans, no risk prioritization","#fb923c",{"id":36,"name":37,"slug":38,"description":39,"color":40},"af7fce9e-1ce8-4156-93bc-09dcfbfdf29d","Patch Management","patch-management","Unpatched vulnerabilities, delayed updates","#ef4444",[]]