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5 CVE

Critique 1 Élevée 3 Moyenne 1 Faible 0 Non évaluée 0 Exploitées (KEV) Tri : plus récentes « Cisco Cyber Vision » ✕
  1. CVE-2026-20356 7.5 Élevée

    Cisco Cyber Vision · Cisco Open Source Snort3 · Cisco Secure Firewall Threat Defense (FTD) Software · Cisco UTD SNORT IPS Engine Software

    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco owned Open Source Snort 3 Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20356 are related to issues concerning uncontrolled resource consumption that are grouped under the Common Weakness Enumeration (CWE) Base CWE-400.

  2. CVE-2026-20291 7.8 Élevée

    Cisco Cyber Vision · Cisco Open Source Snort3 · Cisco Secure Firewall Threat Defense (FTD) Software · Cisco UTD SNORT IPS Engine Software

    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco owned Open Source Snort 3 Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20291 are related to issues concerning improper privilege management that are grouped under the Common Weakness Enumeration (CWE) Base CWE-269.

  3. CVE-2026-20236 7.5 Élevée

    Cisco Cyber Vision · Cisco Open Source Snort3 · Cisco Secure Firewall Threat Defense (FTD) Software · Cisco UTD SNORT IPS Engine Software

    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco owned Open Source Snort 3 Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20236 are related to issues concerning incorrect calculation that are grouped under the Common Weakness Enumeration (CWE) Base CWE-682.

  4. CVE-2026-20221 5.8 Moyenne

    Cisco Cyber Vision · Cisco Open Source Snort3 · Cisco Secure Firewall Threat Defense (FTD) Software · Cisco Umbrella Insights Virtual Appliance

    Multiple Cisco products are affected by a vulnerability in the generic routing encapsulation (GRE) tunnel decapsulation feature of the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause an unexpected restart of the Snort 3 Detection Engine. This vulnerability is due to improper handling of nested GRE traffic. An attacker could exploit this vulnerability by sending a crafted GRE payload through an affected device. A successful exploit could allow the attacker to trigger an unexpected reload of the Snort 3 Detection Engine, resulting in either a bypass or denial of service (DoS) condition, depending on device configuration. For more information, see the section of this advisory. The Snort 3 Detection Engine will restart automatically. No manual intervention is required.

  5. CVE-2026-20043 9.0 Critique

    Cisco Cyber Vision · Cisco Open Source Snort3 · Cisco Secure Firewall Threat Defense (FTD) Software · Cisco UTD SNORT IPS Engine Software

    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco owned Open Source Snort 3 Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20043 are related to issues concerning out-of-bounds writes that are grouped under the Common Weakness Enumeration (CWE) Base CWE-787.