Cisco NX-OS Software vulnerabilities

29 CVEs affecting Cisco NX-OS Software, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-76501, published 2026-10-07.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2025-20292, published 2025-08-27. Medium severity, CVSS 4.4. EPSS: 3.2% chance of exploitation in the next 30 days. A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to execute a command injection attack on the underlying operating system of an affected device. To…
CVE-2024-20446, published 2024-08-28. High severity, CVSS 8.6. EPSS: 0.8% chance of exploitation in the next 30 days. A vulnerability in the DHCPv6 relay agent of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This…
CVE-2026-20212, published 2026-09-02. Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days. A vulnerability in the Silicon One integration for Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to execute code with root privileges. This vulnerability…
CVE-2026-76471, published 2026-10-07. Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days. A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a denial of service (DoS)…
CVE-2026-76501, published 2026-10-07. Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days. A vulnerability in the Segment Routing over IPv6 (SRv6) Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software, known as NGOAM, could allow an unauthenticated, remote…
CVE-2026-76486, published 2026-10-07. Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days. A vulnerability in the VXLAN Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software, known as NGOAM, could allow an unauthenticated, remote attacker to execute arbitrary…
CVE-2026-76485, published 2026-10-07. Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days. A vulnerability in the VXLAN Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software, known as NGOAM, could allow an unauthenticated, remote attacker to execute arbitrary…
CVE-2025-20161, published 2025-02-26. Medium severity, CVSS 5.1. EPSS: 0.5% chance of exploitation in the next 30 days. A vulnerability in the software upgrade process of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an authenticated, local attacker with…
CVE-2026-20171, published 2026-05-20. Medium severity, CVSS 6.8. EPSS: 0.5% chance of exploitation in the next 30 days. A vulnerability in the Border Gateway Protocol (BGP) enforce-first-as feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow…
CVE-2026-76465, published 2026-10-07. Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days. A vulnerability in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches could allow an…

Latest

CVE-2026-76459, published 2026-10-07. Critical severity, CVSS 9.8. EPSS: 0.3% chance of exploitation in the next 30 days. As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a…
CVE-2026-76458, published 2026-10-07. High severity, CVSS 8.6. EPSS: 0.3% chance of exploitation in the next 30 days. As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a…
CVE-2026-76457, published 2026-10-07. High severity, CVSS 8.6. EPSS: 0.3% chance of exploitation in the next 30 days. As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a…
CVE-2026-76456, published 2026-10-07. High severity, CVSS 8.6. EPSS: 0.3% chance of exploitation in the next 30 days. As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a…
CVE-2026-76455, published 2026-10-07. Critical severity, CVSS 9.8. EPSS: 0.3% chance of exploitation in the next 30 days. As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a…