Advisories · Technology

Cisco NX-OS Software.

Every CVE that names Cisco NX-OS Software among its affected products, newest first. Vendors and products are as the CNA wrote them; check the affected versions on each record.

CVE-2026-76501 CVE record

CVSS 9.8 CriticalCritical · CVSS 9+

Cisco Nexus 9000 Series Switches SRv6 OAM (NGOAM) Remote Code Execution Vulnerability
- Cisco NX-OS Software
- Memory corruption
Not analysed yet 7 Oct 2026
CVE-2026-76486 CVE record

CVSS 9.8 CriticalCritical · CVSS 9+

Cisco Nexus 3000 and 9000 Series Switches VXLAN OAM (NGOAM) Remote Code Execution Vulnerability
- Cisco NX-OS Software
- Memory corruption
Not analysed yet 7 Oct 2026
CVE-2026-76485 CVE record

CVSS 9.8 CriticalCritical · CVSS 9+

Cisco Nexus 3000 and 9000 Series Switches VXLAN OAM (NGOAM) Remote Code Execution Vulnerability
- Cisco NX-OS Software
- Memory corruption
Not analysed yet 7 Oct 2026
CVE-2026-76458 CVE record

CVSS 8.6 High

Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Handling of Exceptional Conditions Vulnerabilities
- Cisco NX-OS Software
- Cisco NX-OS System Software in ACI Mode
- CWE-703
Not analysed yet 7 Oct 2026
CVE-2026-76459 CVE record

CVSS 9.8 CriticalCritical · CVSS 9+

Cisco NX-OS Software Security Hardening Release: October 2026 - Out-of-bounds Write Vulnerabilities
- Cisco NX-OS Software
- Cisco NX-OS System Software in ACI Mode
- Memory corruption
Not analysed yet 7 Oct 2026
CVE-2026-76471 CVE record

CVSS 9.8 CriticalCritical · CVSS 9+

Cisco NX-OS Software NX-API Remote Code Execution Vulnerability
- Cisco NX-OS Software
- Cisco Unified Computing System (Managed)
- Memory corruption
Not analysed yet 7 Oct 2026
CVE-2026-76455 CVE record

CVSS 9.8 CriticalCritical · CVSS 9+

Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Access Control Vulnerabilities
- Cisco NX-OS Software
- Cisco NX-OS System Software in ACI Mode
- Broken access control
Not analysed yet 7 Oct 2026
CVE-2026-76457 CVE record

CVSS 8.6 High

Cisco NX-OS Software Security Hardening Release: October 2026 - Out-of-bounds Read Vulnerabilities
- Cisco NX-OS Software
- Cisco NX-OS System Software in ACI Mode
- Memory corruption
Not analysed yet 7 Oct 2026
CVE-2026-76456 CVE record

CVSS 8.6 High

Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Input Validation Vulnerabilities
- Cisco NX-OS Software
- Cisco NX-OS System Software in ACI Mode
- CWE-20
Not analysed yet 7 Oct 2026
CVE-2026-76465 CVE record

CVSS 9.8 CriticalCritical · CVSS 9+

Cisco Nexus 3000 and 9000 Series Switches MPLS OAM Remote Code Execution Vulnerability
- Cisco NX-OS Software
- CWE-590
Not analysed yet 7 Oct 2026
CVE-2026-76453 CVE record

CVSS 8.8 High

Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Neutralization Vulnerabilities
- Cisco NX-OS Software
- Cisco NX-OS System Software in ACI Mode
- CWE-707
Not analysed yet 7 Oct 2026
CVE-2026-20173 CVE record

CVSS 5.8 Medium

Cisco NX-OS Software Denial of Service Vulnerability
- Cisco NX-OS Software
- Denial of service
Not analysed yet 7 Oct 2026
CVE-2026-20032 CVE record

CVSS 4.4 Medium

Cisco NX-OS Software Python Sandbox Escape Vulnerability
- Cisco NX-OS Software
- CWE-653
Not analysed yet 7 Oct 2026
CVE-2026-20212 CVE record

CVSS 9.8 CriticalCritical · CVSS 9+

Cisco Nexus 3000 and 9000 Series Switches Silicon One Hardware Abstraction Layer Remote Code Execution Vulnerability
- Cisco NX-OS Software
- CWE-1327
Not analysed yet 2 Sept 2026
CVE-2026-20171 CVE record

CVSS 6.8 Medium

Cisco Nexus 3000 and 9000 Series Border Gateway Protocol Denial of Service Vulnerability
- Cisco NX-OS Software
- CWE-670
Not analysed yet 20 May 2026
CVE-2026-20010 CVE record

CVSS 7.4 High

Cisco Nexus 3000 and 9000 Series Switches Link Layer Discovery Protocol Denial of Service Vulnerability
- Cisco NX-OS Software
- Cisco NX-OS System Software in ACI Mode
- Memory corruption
Not analysed yet 25 Feb 2026
CVE-2026-20051 CVE record

CVSS 7.4 High

Cisco Nexus 3600-R and 9500-R Series Switching Platforms Layer 2 Loop Denial of Service Vulnerability
- Cisco NX-OS Software
- Memory corruption
Not analysed yet 25 Feb 2026
CVE-2025-20241 CVE record

CVSS 7.4 High

Cisco Nexus 3000 and 9000 Series Switches IS-IS Protocol <TBD> Denial of Service Vulnerability
- Cisco NX-OS Software
- CWE-733
Not analysed yet 27 Aug 2025
CVE-2025-20262 CVE record

CVSS 5.0 Medium

Cisco Nexus 3000 and 9000 Series Switches Protocol Independent Multicast Version 6 Denial of Service Vulnerability
- Cisco NX-OS Software
- Memory corruption
Not analysed yet 27 Aug 2025
CVE-2025-20290 CVE record

CVSS 5.5 Medium

Cisco NXOS Software Sensitive Log Information Disclosure Vulnerability
- Cisco NX-OS Software
- Cisco Unified Computing System (Managed)
- Information disclosure
Not analysed yet 27 Aug 2025
CVE-2025-20292 CVE record

CVSS 4.4 Medium

Cisco NXOS Software Command Injection Vulnerability
- Cisco NX-OS Software
- Cisco NX-OS System Software in ACI Mode
- Command injection
Not analysed yet 27 Aug 2025
CVE-2025-20191 CVE record

CVSS 7.4 High

Multiple Cisco Products Denial of Service Vulnerability
- Cisco NX-OS Software
- Cisco Wireless LAN Controller (WLC)
- Memory corruption
Not analysed yet 7 May 2025
CVE-2025-20161 CVE record

CVSS 5.1 Medium

Cisco NX-OS Software Command Injection Vulnerability
- Cisco NX-OS Software
- Command injection
Not analysed yet 26 Feb 2025
CVE-2025-20111 CVE record

CVSS 7.4 High

Cisco Nexus 3000 and 9000 Series Switches Layer 2 Ethernet Denial of Service Vulnerability
- Cisco NX-OS Software
- CWE-1220
Not analysed yet 26 Feb 2025
CVE-2024-20397 CVE record

CVSS 5.2 Medium

Cisco NX-OS Software Image Verification Bypass Vulnerability
- Cisco NX-OS Software
- Cisco NX-OS System Software in ACI Mode
- Broken access control
Not analysed yet 4 Dec 2024
CVE-2024-20284 CVE record

CVSS 5.3 Medium

Cisco NX-OS Software Python Parser Escape Vulnerability
- Cisco NX-OS Software
- CWE-693
Not analysed yet 28 Aug 2024
CVE-2024-20285 CVE record

CVSS 5.3 Medium

Cisco NX-OS Software Python Parser Escape Vulnerability
- Cisco NX-OS Software
- CWE-653
Not analysed yet 28 Aug 2024
CVE-2024-20286 CVE record

CVSS 5.3 Medium

Cisco NX-OS Software Python Parser Escape Vulnerability
- Cisco NX-OS Software
- CWE-693
Not analysed yet 28 Aug 2024
CVE-2024-20446 CVE record

CVSS 8.6 High

Cisco NX-OS Software DHCPv6 Relay Agent Denial of Service Vulnerability
- Cisco NX-OS Software
- Memory corruption
Not analysed yet 28 Aug 2024
CVE-2024-20289 CVE record

CVSS 4.4 Medium

Cisco NX-OS Software Command Injection Vulnerability
- Cisco NX-OS Software
- Cisco NX-OS System Software in ACI Mode
- Command injection
Not analysed yet 28 Aug 2024
CVE-2024-20411 CVE record

CVSS 6.7 Medium

Cisco NX-OS Bash Arbitrary Code Execution Vulnerability
- Cisco NX-OS Software
- Privilege escalation
Not analysed yet 28 Aug 2024
CVE-2024-20413 CVE record

CVSS 6.7 Medium

Cisco NX-OS Bash Privilege Escalation Vulnerability
- Cisco NX-OS Software
- Broken access control
Not analysed yet 28 Aug 2024
CVE-2024-20399 CVE record

CVSS 6.0 MediumCritical · KEVKEV

Cisco NX-OS Software CLI Command Injection Vulnerability
- Cisco NX-OS Software
- Command injection
Not analysed yet 1 Jul 2024
CVE-2024-20294 CVE record

CVSS 6.6 Medium

Cisco NX-OS Software: A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco FXOS…
- Cisco NX-OS Software
- Cisco Unified Computing System (Managed)
- Memory corruption
Not analysed yet 28 Feb 2024
CVE-2024-20291 CVE record

CVSS 5.8 Medium

Improper access control in Cisco NX-OS Software
- Cisco NX-OS Software
- Broken access control
Not analysed yet 28 Feb 2024
CVE-2024-20267 CVE record

CVSS 8.6 High

Buffer overflow in Cisco NX-OS Software
- Cisco NX-OS Software
- Memory corruption
Not analysed yet 28 Feb 2024
CVE-2024-20321 CVE record

CVSS 8.6 High

Uncontrolled resource consumption in Cisco NX-OS Software
- Cisco NX-OS Software
- Denial of service
Not analysed yet 28 Feb 2024
CVE-2023-20115 CVE record

CVSS 5.4 Medium

A vulnerability in the SFTP server implementation for Cisco Nexus 3000 Series Switches and 9000 Series Switches in standalone NX-OS mode could allow an authenticated, remote attacker to download or o…
- Cisco NX-OS Software
- CWE-671
Not analysed yet 23 Aug 2023
CVE-2023-20169 CVE record

CVSS 7.4 High

Cisco NX-OS Software: A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) protocol of…
- Cisco NX-OS Software
- Memory corruption
Not analysed yet 23 Aug 2023
CVE-2023-20168 CVE record

CVSS 7.1 High

Buffer overflow in Cisco NX-OS Software
- Cisco NX-OS Software
- Memory corruption
Not analysed yet 23 Aug 2023
CVE-2023-20050 CVE record

CVSS 4.4 Medium

Cisco NX-OS Software CLI Command Injection Vulnerability
- Cisco NX-OS Software
- Command injection
Not analysed yet 23 Feb 2023
CVE-2022-20824 CVE record

CVSS 8.8 High

Cisco FXOS and NX-OS Software Cisco Discovery Protocol Denial of Service and Arbitrary Code Execution Vulnerability
- Cisco NX-OS Software
- Memory corruption
Not analysed yet 25 Aug 2022
CVE-2022-20823 CVE record

CVSS 8.6 High

Cisco NX-OS Software OSPFv3 Denial of Service Vulnerability
- Cisco NX-OS Software
- CWE-126
Not analysed yet 25 Aug 2022
CVE-2022-20623 CVE record

CVSS 8.6 HighCritical · CVSS 7+ and EPSS

Cisco Nexus 9000 Series Switches Bidirectional Forwarding Detection Denial of Service Vulnerability
- Cisco NX-OS Software
- CWE-399
Not analysed yet 23 Feb 2022
CVE-2022-20624 CVE record

CVSS 8.6 HighCritical · CVSS 7+ and EPSS

Cisco NX-OS Software Cisco Fabric Services Over IP Denial of Service Vulnerability
- Cisco NX-OS Software
- Denial of service
Not analysed yet 23 Feb 2022
CVE-2022-20625 CVE record

CVSS 4.3 Medium

Cisco FXOS and NX-OS Software Cisco Discovery Protocol Service Denial of Service Vulnerability
- Cisco NX-OS Software
- CWE-399
Not analysed yet 23 Feb 2022
CVE-2022-20650 CVE record

CVSS 8.8 HighCritical · CVSS 7+ and EPSS

Cisco NX-OS Software NX-API Command Injection Vulnerability
- Cisco NX-OS Software
- Command injection
Not analysed yet 23 Feb 2022
CVE-2021-1591 CVE record

CVSS 5.8 Medium

Cisco Nexus 9500 Series Switches Access Control List Bypass Vulnerability
- Cisco NX-OS Software
- Broken access control
Not analysed yet 25 Aug 2021
CVE-2021-1590 CVE record

CVSS 5.3 Medium

Cisco NX-OS Software system login block-for Denial of Service Vulnerability
- Cisco NX-OS Software
- Memory corruption
Not analysed yet 25 Aug 2021
CVE-2021-1588 CVE record

CVSS 8.6 High

Cisco NX-OS Software MPLS OAM Denial of Service Vulnerability
- Cisco NX-OS Software
- CWE-126
Not analysed yet 25 Aug 2021
CVE-2021-1587 CVE record

CVSS 8.6 High

Cisco NX-OS Software VXLAN OAM (NGOAM) Denial of Service Vulnerability
- Cisco NX-OS Software
- CWE-115
Not analysed yet 25 Aug 2021
CVE-2021-1387 CVE record

CVSS 8.6 High

Cisco NX-OS Software IPv6 Netstack Denial of Service Vulnerability
- Cisco NX-OS Software
- Denial of service
Not analysed yet 24 Feb 2021
CVE-2021-1368 CVE record

CVSS 8.8 High

Cisco FXOS and NX-OS Software Unidirectional Link Detection Denial of Service and Arbitrary Code Execution Vulnerability
- Cisco NX-OS Software
- Memory corruption
Not analysed yet 24 Feb 2021
CVE-2021-1367 CVE record

CVSS 4.3 Medium

Cisco NX-OS Software Protocol Independent Multicast Denial of Service Vulnerability
- Cisco NX-OS Software
- CWE-20
Not analysed yet 24 Feb 2021
CVE-2021-1361 CVE record

CVSS 9.8 CriticalCritical · CVSS 9+

Cisco NX-OS Software Unauthenticated Arbitrary File Actions Vulnerability
- Cisco NX-OS Software
- Information disclosure
Not analysed yet 24 Feb 2021
CVE-2021-1229 CVE record

CVSS 5.8 Medium

Cisco NX-OS Software ICMP Version 6 Memory Leak Denial of Service Vulnerability
- Cisco NX-OS Software
- Denial of service
Not analysed yet 24 Feb 2021
CVE-2021-1227 CVE record

CVSS 8.1 High

Cisco NX-OS Software NX-API Cross-Site Request Forgery Vulnerability
- Cisco NX-OS Software
- Cross-site request forgery (CSRF)
Not analysed yet 24 Feb 2021
CVE-2020-3517 CVE record

CVSS 8.6 High

Cisco FXOS and NX-OS Software Cisco Fabric Services Denial of Service Vulnerability
- Cisco NX-OS Software
- Memory corruption
Not analysed yet 27 Aug 2020
CVE-2020-3394 CVE record

CVSS 7.8 High

Cisco Nexus 3000 and 9000 Series Switches Privilege Escalation Vulnerability
- Cisco NX-OS Software
- Broken access control
Not analysed yet 27 Aug 2020
CVE-2020-3397 CVE record

CVSS 8.6 High

Cisco NX-OS Software Border Gateway Protocol Multicast VPN Denial of Service Vulnerability
- Cisco NX-OS Software
- CWE-20
Not analysed yet 27 Aug 2020