EPG Function Cisco NX-OS Security Restriction Bypass

The vulnerability of the EPG function in the Cisco NX-OS operating system of Cisco Nexus 9000 Series Fabric Switches in ACI mode is related to deficiencies in access control. Exploiting this vulnerability could allow a malicious actor to circumvent security restrictions remotely...

CVE-2026-20038

A vulnerability in the endpoint group EPG contract functionality of Cisco Nexus 9000 Series Fabric Switches in ACI Mode could allow an unauthenticated, remote attacker to bypass configured EPG contracts. This vulnerability is due to an improper control with EPG contracts. An attacker could exploi...

CVE-2026-20038 Cisco Nexus 9000 Series Fabric Switches in ACI Mode Policy-Based Redirect Endpoint Group Contract Bypass Vulnerability

A vulnerability in the endpoint group EPG contract functionality of Cisco Nexus 9000 Series Fabric Switches in ACI Mode could allow an unauthenticated, remote attacker to bypass configured EPG contracts. This vulnerability is due to an improper control with EPG contracts. An attacker could exploi...

CVE-2026-20038 Cisco Nexus 9000 Series Fabric Switches in ACI Mode Policy-Based Redirect Endpoint Group Contract Bypass Vulnerability

A vulnerability in the endpoint group EPG contract functionality of Cisco Nexus 9000 Series Fabric Switches in ACI Mode could allow an unauthenticated, remote attacker to bypass configured EPG contracts. This vulnerability is due to an improper control with EPG contracts. An attacker could exploi...

CVE-2026-20038

A vulnerability in the endpoint group (EPG) contract functionality of Cisco Nexus 9000 Series Fabric Switches in ACI Mode allows an unauthenticated, remote attacker to bypass configured EPG contracts. The root cause is an improper control where an attacker can send IPv4 or IPv6 packets using UDP ...

Cisco Nexus 9000 Series Fabric Switches in ACI Mode Endpoint Group Contract Bypass Vulnerability

A vulnerability in the endpoint group EPG contract functionality of Cisco Nexus 9000 Series Fabric Switches in ACI Mode could allow an unauthenticated, remote attacker to bypass configured EPG contracts. This vulnerability is due to an improper control with EPG contracts. An attacker could exploi...

PT-2026-107584

Name of the Vulnerable Software and Affected Versions Cisco Nexus 9000 Series Fabric Switches in ACI Mode affected versions not specified Description An improper control within the endpoint group EPG contract functionality allows an unauthenticated remote attacker to bypass configured EPG...

Cisco Nexus 9000 Series Fabric Switches in ACI Mode Endpoint Group Contract Bypass (cisco-sa-aci-epgcbp-SfDU7NLf)

According to its self-reported version, Cisco NX-OS System Software in ACI Mode is affected by a vulnerability. - A vulnerability in the endpoint group EPG contract functionality of Cisco Nexus 9000 Series Fabric Switches in ACI Mode could allow an unauthenticated, remote attacker to bypass...

CVE-2026-0869

Authentication bypass in Brocade ASCG 3.4.0 Could allow an unauthorized user to perform ASCG operations related to Brocade Support LinkBSL and streaming configuration. and could even disable the ASCG application or disable use of BSL data collection on Brocade switches within the fabric...

CVE-2026-0869

Authentication bypass in Brocade ASCG 3.4.0 Could allow an unauthorized user to perform ASCG operations related to Brocade Support LinkBSL and streaming configuration. and could even disable the ASCG application or disable use of BSL data collection on Brocade switches within the fabric...

CVE-2026-20048: Memory Allocation with Excessive Size Value

A vulnerability in the Simple Network Management Protocol SNMP subsystem of Cisco Nexus 9000 Series Fabric Switches in ACI mode could allow an authenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper processing when...

CVE-2026-20033: Buffer Access with Incorrect Length Value

A vulnerability in Cisco Nexus 9000 Series Fabric Switches in ACI mode could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to insufficient validation when processing specific Ethernet frames. An attacker cou...

EUVD-2021-7050

Malicious code in bioql PyPI...

Cisco Nexus 9000 Series Fabric Switches ACI Mode BGP Route Installation Denial of Service (CVE-2021-1230)

A vulnerability with the Border Gateway Protocol BGP for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI mode could allow an unauthenticated, remote attacker to cause a routing process to crash, which could lead to a denial of service DoS condition. This...

Cisco Nexus 9000 Series Fabric Switches ACI Mode Privilege Escalation (CVE-2021-1584)

A vulnerability in Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI mode could allow an authenticated, local attacker to elevate privileges on an affected device. This vulnerability is due to insufficient restrictions during the execution of a specific CLI command...

Cisco Nexus 9000 Series Fabric Switches Application-Centric Infrastructure Mode DHCP Version 6 Denial of Service (CVE-2018-0372)

A vulnerability in the DHCPv6 feature of the Cisco Nexus 9000 Series Fabric Switches in Application-Centric Infrastructure ACI Mode could allow an unauthenticated, remote attacker to cause the device to run low on system memory, which could result in a Denial of Service DoS condition on an affect...

Cisco Nexus 9000 Series Fabric Switches ACI Mode Link Layer Discovery Protocol Port Denial of Service (CVE-2021-1231)

A vulnerability in the Link Layer Discovery Protocol LLDP for Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI mode could allow an unauthenticated, adjacent attacker to disable switching on a small form-factor pluggable SFP interface. This vulnerability is due to...

Cisco Nexus 9000 Series Fabric Switches ACI Mode Multi-Pod and Multi-Site TCP Denial of Service (CVE-2021-1586)

A vulnerability in the Multi-Pod or Multi-Site network configurations for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI mode could allow an unauthenticated, remote attacker to unexpectedly restart the device, resulting in a denial of service DoS condition. This...

Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Filter Query Information Disclosure (CVE-2019-1587)

A vulnerability in Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI mode could allow an authenticated, remote attacker to access sensitive information. The vulnerability occurs because the affected software does not properly validate user-supplied input. An attack...

Cisco Nexus 9000 Series Fabric Switches ACI Mode Queue Wedge Denial of Service (CVE-2021-1523)

A vulnerability in Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI Mode could allow an unauthenticated, remote attacker to cause a queue wedge on a leaf switch, which could result in critical control plane traffic to the device being dropped. This could result in...