CVE-2020-27827

A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability...

CVE-2020-27827

A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability...

CVE-2020-27827

CVE-2020-27827 concerns Open vSwitch where specially crafted LLDP packets can trigger memory allocation issues during handling of optional TLVs, leading to a denial of service and impacting availability. The connected documents provide various advisories (e.g., AlmaLinux, Gentoo GLSA) that refere...

CVE-2020-27827: Uncontrolled Resource Consumption

A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability...

CVE-2020-27827

A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability...

CVE-2020-27827

A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability...

Moderate: Red Hat Security Advisory: openvswitch2.11 security update

An update for openvswitch2.11 is now available in Fast Datapath for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

RHEL 7 : openvswitch2.11 (RHSA-2021:0834)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0834 advisory. Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic...

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...

CVE-2021-1228

A vulnerability in the fabric infrastructure VLAN connection establishment of Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI Mode could allow an unauthenticated, adjacent attacker to bypass security validations and connect an unauthorized server to the...

Security feature bypass

A vulnerability in the fabric infrastructure VLAN connection establishment of Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI Mode could allow an unauthenticated, adjacent attacker to bypass security validations and connect an unauthorized server to the...

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

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...

CVE-2021-1231

Cisco Nexus 9000 Series Fabric Switches in ACI mode are affected by CVE-2021-1231 due to incomplete validation of the LLDP source, enabling an unauthenticated adjacent attacker to disable switching on an SFP interface and disrupt traffic. Affected components are LLDP handling on Nexus 9000 device...

CVE-2021-1228

CVE-2021-1228 affects Cisco Nexus 9000 Series Fabric Switches in ACI Mode . The issue arises in the LLDP setup phase of the infrastructure VLAN due to insufficient security requirements, enabling an unauthenticated, adjacent attacker to send a crafted LLDP packet and connect an unauthorised serve...

CVE-2021-1228 Cisco Nexus 9000 Series Fabric Switches ACI Mode Fabric Infrastructure VLAN Unauthorized Access Vulnerability

A vulnerability in the fabric infrastructure VLAN connection establishment of Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI Mode could allow an unauthenticated, adjacent attacker to bypass security validations and connect an unauthorized server to the...

Cisco Nexus 9000 Series Fabric Switches ACI Mode Link Layer Discovery Protocol Port Denial of Service Vulnerability

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 Fabric Infrastructure VLAN Unauthorized Access Vulnerability

A vulnerability in the fabric infrastructure VLAN connection establishment of Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI Mode could allow an unauthenticated, adjacent attacker to bypass security validations and connect an unauthorized server to the...

CVE-2021-1231: Improper Access Control

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 Application Policy Infrastructure Controller and Cisco Nexus 9000 Series Fabric Switches Security Vulnerabilities

The Cisco Application Policy Infrastructure Controller APIC and the Cisco Nexus 9000 Series Fabric Switches are both products of Cisco Corporation.The Cisco Application Policy The Cisco Application Policy Infrastructure Controller is an automated infrastructure deployment and governance solution,...

CVE-2021-1228: Improper Access Control

A vulnerability in the fabric infrastructure VLAN connection establishment of Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI Mode could allow an unauthenticated, adjacent attacker to bypass security validations and connect an unauthorized server to the...