Cisco Nx-os vulnerabilities

• cisco nx-os software Cisco Nexus 9000 Series Switches SRv6 OAM (NGOAM) Remote Code Execution Vulnerability CVE-2026-76501 9.8 CriticalOctober 7, 2026
• cisco nx-os software Cisco Nexus 3000 and 9000 Series Switches VXLAN OAM (NGOAM) Remote Code Execution Vulnerability CVE-2026-76486 9.8 CriticalOctober 7, 2026
• cisco nx-os software Cisco Nexus 3000 and 9000 Series Switches VXLAN OAM (NGOAM) Remote Code Execution Vulnerability CVE-2026-76485 9.8 CriticalOctober 7, 2026
• cisco nx-os software, nx-os system software in aci mode, unified computing system (managed) +2 more Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Handling of Exceptional Conditions Vulnerabilities CVE-2026-76458 8.6 HighOctober 7, 2026
• cisco nx-os software, nx-os system software in aci mode, unified computing system (managed) +2 more Cisco NX-OS Software Security Hardening Release: October 2026 - Out-of-bounds Write Vulnerabilities CVE-2026-76459 9.8 CriticalOctober 7, 2026
• cisco nx-os software, unified computing system (managed) +1 more Cisco NX-OS Software NX-API Remote Code Execution Vulnerability CVE-2026-76471 9.8 CriticalOctober 7, 2026
• cisco nx-os software, nx-os system software in aci mode, unified computing system (managed) +2 more Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Access Control Vulnerabilities CVE-2026-76455 9.8 CriticalOctober 7, 2026
• cisco nx-os software, nx-os system software in aci mode, unified computing system (managed) +2 more Cisco NX-OS Software Security Hardening Release: October 2026 - Out-of-bounds Read Vulnerabilities CVE-2026-76457 8.6 HighOctober 7, 2026
• cisco nx-os software, nx-os system software in aci mode, unified computing system (managed) +2 more Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Input Validation Vulnerabilities CVE-2026-76456 8.6 HighOctober 7, 2026
• cisco nx-os software Cisco Nexus 3000 and 9000 Series Switches MPLS OAM Remote Code Execution Vulnerability CVE-2026-76465 9.8 CriticalOctober 7, 2026
• cisco nx-os software, nx-os system software in aci mode, unified computing system (managed) +2 more Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Neutralization Vulnerabilities CVE-2026-76453 8.8 HighOctober 7, 2026
• cisco nx-os software Cisco NX-OS Software Denial of Service Vulnerability CVE-2026-20173 5.8 MediumOctober 7, 2026
• cisco nx-os system software in aci mode Cisco Nexus 9000 Series Fabric Switches in ACI Mode Policy-Based Redirect Endpoint Group Contract Bypass Vulnerability CVE-2026-20038 5.8 MediumOctober 7, 2026
• cisco nx-os software Cisco NX-OS Software Python Sandbox Escape Vulnerability CVE-2026-20032 4.4 MediumOctober 7, 2026
• cisco nx-os software Cisco Nexus 3000 and 9000 Series Switches Silicon One Hardware Abstraction Layer Remote Code Execution Vulnerability CVE-2026-20212 Public exploit 9.8 CriticalSeptember 2, 2026
• cisco nx-os software Cisco Nexus 3000 and 9000 Series Border Gateway Protocol Denial of Service Vulnerability CVE-2026-20171 6.8 MediumMay 20, 2026
• cisco nx-os system software in aci mode Cisco NX-OS Software Denial of Service Vulnerability CVE-2026-20033 7.4 HighFebruary 25, 2026
• cisco nx-os system software in aci mode Cisco NX-OS Software SNMP Denial of Service Vulnerability CVE-2026-20048 7.7 HighFebruary 25, 2026
• cisco nx-os software, nx-os system software in aci mode, unified computing system (managed) +2 more Cisco Nexus 3000 and 9000 Series Switches Link Layer Discovery Protocol Denial of Service Vulnerability CVE-2026-20010 7.4 HighFebruary 25, 2026
• cisco nx-os software Cisco Nexus 3600-R and 9500-R Series Switching Platforms Layer 2 Loop Denial of Service Vulnerability CVE-2026-20051 7.4 HighFebruary 25, 2026
• cisco nx-os software Cisco Nexus 3000 and 9000 Series Switches IS-IS Protocol <TBD> Denial of Service Vulnerability CVE-2025-20241 7.4 HighAugust 27, 2025
• cisco nx-os software, unified computing system (managed) +1 more Cisco NXOS Software Sensitive Log Information Disclosure Vulnerability CVE-2025-20290 5.5 MediumAugust 27, 2025
• cisco nx-os software Cisco Nexus 3000 and 9000 Series Switches Protocol Independent Multicast Version 6 Denial of Service Vulnerability CVE-2025-20262 5.0 MediumAugust 27, 2025
• cisco nx-os software, nx-os system software in aci mode, unified computing system (managed) +2 more Cisco NXOS Software Command Injection Vulnerability CVE-2025-20292 4.4 MediumAugust 27, 2025
• cisco nx-os software, wireless lan controller (wlc) +1 more Multiple Cisco Products Denial of Service Vulnerability CVE-2025-20191 7.4 HighMay 7, 2025
• cisco nx-os software Cisco NX-OS Software Command Injection Vulnerability CVE-2025-20161 5.1 MediumFebruary 26, 2025
• cisco nx-os software Cisco Nexus 3000 and 9000 Series Switches Layer 2 Ethernet Denial of Service Vulnerability CVE-2025-20111 7.4 HighFebruary 26, 2025
• cisco nx-os software, nx-os system software in aci mode, unified computing system (managed) +2 more Cisco NX-OS Software Image Verification Bypass Vulnerability CVE-2024-20397 5.2 MediumDecember 4, 2024
• cisco nx-os software, nx-os +1 more Cisco NX-OS Software Python Parser Escape Vulnerability CVE-2024-20284 5.3 MediumAugust 28, 2024
• cisco nx-os software, nx-os +1 more Cisco NX-OS Software Python Parser Escape Vulnerability CVE-2024-20285 5.3 MediumAugust 28, 2024
• cisco nx-os software, nx-os +1 more Cisco NX-OS Software Python Parser Escape Vulnerability CVE-2024-20286 5.3 MediumAugust 28, 2024
• cisco nx-os software, nx-os +1 more Cisco NX-OS Software DHCPv6 Relay Agent Denial of Service Vulnerability CVE-2024-20446 8.6 HighAugust 28, 2024
• cisco nx-os software, nx-os system software in aci mode +1 more Cisco NX-OS Software Command Injection Vulnerability CVE-2024-20289 4.4 MediumAugust 28, 2024
• cisco nx-os software, nx-os +1 more Cisco NX-OS Bash Arbitrary Code Execution Vulnerability CVE-2024-20411 6.7 MediumAugust 28, 2024
• cisco nx-os software, nx-os +1 more Cisco NX-OS Bash Privilege Escalation Vulnerability CVE-2024-20413 6.7 MediumAugust 28, 2024
• cisco nx-os software, nx-os +1 more Cisco NX-OS Software CLI Command Injection Vulnerability CVE-2024-20399 In KEVPublic exploit 6.0 MediumJuly 1, 2024
• cisco nx-os software, nx-os, firepower extensible operating system (fxos) +4 more +6 more A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco FXOS Software and... CVE-2024-20294 6.6 MediumFebruary 28, 2024
• cisco nx-os, nx-os software +1 more A vulnerability in the access control list (ACL) programming for port channel subinterfaces of... CVE-2024-20291 5.8 MediumFebruary 28, 2024
• cisco nx-os software, nx-os +1 more A vulnerability with the handling of MPLS traffic for Cisco NX-OS Software could allow an... CVE-2024-20267 8.6 HighFebruary 28, 2024
• cisco nx-os software, nx-os +1 more A vulnerability in the External Border Gateway Protocol (eBGP) implementation of Cisco NX-OS... CVE-2024-20321 8.6 HighFebruary 28, 2024
• cisco nx-os, nx-os software +1 more A vulnerability in the SFTP server implementation for Cisco Nexus 3000 Series Switches and 9000... CVE-2023-20115 5.4 MediumAugust 23, 2023
• cisco nx-os software, nx-os +1 more A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) protocol of Cisco NX-OS... CVE-2023-20169 7.4 HighAugust 23, 2023
• cisco nx-os software, nx-os +1 more A vulnerability in TACACS+ and RADIUS remote authentication for Cisco NX-OS Software could allow... CVE-2023-20168 7.1 HighAugust 23, 2023
• cisco nx-os system software in aci mode, nx-os +1 more A vulnerability in the Cisco ACI Multi-Site CloudSec encryption feature of Cisco Nexus 9000... CVE-2023-20185 7.4 HighJuly 12, 2023
• eclipse jetty, ietf http, http/2 +166 more +168 more Eclipse Jetty XmlParser allows arbitrary DOCTYPE declarations CVE-2023-44487 In KEVPublic exploitFix available EPSS 100.0% 7.5 HighJuly 10, 2023
• cisco nx-os system software in aci mode, nx-os +1 more Cisco Nexus 9000 Series Fabric Switches in ACI Mode Link Layer Discovery Protocol Memory Leak Denial of Service Vulnerability CVE-2023-20089 7.4 HighFebruary 23, 2023
• cisco nx-os software, nx-os +1 more Cisco NX-OS Software CLI Command Injection Vulnerability CVE-2023-20050 4.4 MediumFebruary 23, 2023
• cisco nx-os software, mds 9506 firmware, mds 9513 firmware +142 more +144 more Cisco FXOS and NX-OS Software Cisco Discovery Protocol Denial of Service and Arbitrary Code Execution Vulnerability CVE-2022-20824 8.8 HighAugust 25, 2022
• cisco nx-os software, nexus 3016 firmware, nexus 3016q firmware +145 more +147 more Cisco NX-OS Software OSPFv3 Denial of Service Vulnerability CVE-2022-20823 8.6 HighAugust 25, 2022
• cisco nx-os software, nx-os +1 more Cisco Nexus 9000 Series Switches Bidirectional Forwarding Detection Denial of Service Vulnerability CVE-2022-20623 EPSS 11.9% 8.6 HighFebruary 23, 2022
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