Cisco NX-OS Software Link Layer Discovery Protocol Denial of Service Vulnerability

A denial of service DoS vulnerability exists in Cisco NX-OS Software due to improper input validation of certain type, length, value TLV fields of the LLDP frame header. An unauthenticated, local attacker can exploit this issue, by sending a crafted LLDP packet to an interface on the targeted...

Cisco Nexus 9000 Series Fabric Switches Buffer Overflow Vulnerability

Cisco Nexus 9000 Series Fabric Switches is a 9000 series fiber optic switch from Cisco USA. A buffer overflow vulnerability exists in the LLDP subsystem in Cisco Nexus 9000 Series Switch Software ACI Mode versions prior to 13.27f and 14.x. The vulnerability stems from a program's failure to...

CVE-2019-1901

A vulnerability in the Link Layer Discovery Protocol LLDP subsystem of Cisco Nexus 9000 Series Application Centric Infrastructure ACI Mode Switch Software could allow an adjacent, unauthenticated attacker to cause a denial of service DoS condition or execute arbitrary code with root privileges. T...

CVE-2019-1901

A vulnerability in the Link Layer Discovery Protocol LLDP subsystem of Cisco Nexus 9000 Series Application Centric Infrastructure ACI Mode Switch Software could allow an adjacent, unauthenticated attacker to cause a denial of service DoS condition or execute arbitrary code with root privileges. T...

Buffer overflow

A vulnerability in the Link Layer Discovery Protocol LLDP subsystem of Cisco Nexus 9000 Series Application Centric Infrastructure ACI Mode Switch Software could allow an adjacent, unauthenticated attacker to cause a denial of service DoS condition or execute arbitrary code with root privileges. T...

CVE-2019-1901

Cisco Nexus 9000 Series ACI Mode Switch Software contains a LLDP-related buffer overflow (CVE-2019-1901) due to improper TLV field input validation. Affected on Nexus 9000 Fabric Switches in ACI mode running before 13.2(7f) or any 14.x release. Exploitation requires a directly connected interface...

Cisco Nexus 9000 Series ACI Mode Switch Software Link Layer Discovery Protocol Buffer Overflow Vulnerability

A vulnerability in the Link Layer Discovery Protocol LLDP subsystem of Cisco Nexus 9000 Series Application Centric Infrastructure ACI Mode Switch Software could allow an adjacent, unauthenticated attacker to cause a denial of service DoS condition or execute arbitrary code with root privileges. T...

CVE-2019-1901: Improper Restriction of Operations within the Bounds of a Memory Buffer

A vulnerability in the Link Layer Discovery Protocol LLDP subsystem of Cisco Nexus 9000 Series Application Centric Infrastructure ACI Mode Switch Software could allow an adjacent, unauthenticated attacker to cause a denial of service DoS condition or execute arbitrary code with root privileges. T...

CVE-2019-1890

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

CVE-2019-1890

CVE-2019-1890 affects Cisco Nexus 9000 Series Fabric Switches in ACI mode. The issue lies in the LLDP setup during infrastructure VLAN formation, where insufficient security requirements allow an unauthenticated, adjacent attacker to bypass validations and connect an unauthorized server to the in...

CVE-2019-1890 Cisco Nexus 9000 Series Fabric Switches ACI Mode Fabric Infrastructure VLAN Unauthorized Access Vulnerability

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

CVE-2019-1890: Improper Access Control

A vulnerability in the fabric infrastructure VLAN connection establishment of the Cisco Nexus 9000 Series Application Centric Infrastructure ACI Mode Switch Software 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 Fabric Infrastructure VLAN Unauthorized Access Vulnerability

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

PT-2019-2648

Name of the Vulnerable Software and Affected Versions Cisco Nexus 9000 Series ACI Mode Switch affected versions not specified Description The issue is related to insufficient security requirements during the Link Layer Discovery Protocol LLDP setup phase of the infrastructure VLAN, allowing an...

Fedora Update for lldpad FEDORA-2018-06d56c8c9d

The remote host is missing an update for the Copyright C 2019 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

CVE-2019-1684

A vulnerability in the Cisco Discovery Protocol or Link Layer Discovery Protocol LLDP implementation for the Cisco IP Phone 7800 and 8800 Series could allow an unauthenticated, adjacent attacker to cause an affected phone to reload unexpectedly, resulting in a temporary denial of service DoS...

CVE-2019-1684 Cisco IP Phone 7800 and 8800 Series Cisco Discovery Protocol and Link Layer Discovery Protocol Denial of Service Vulnerability

A vulnerability in the Cisco Discovery Protocol or Link Layer Discovery Protocol LLDP implementation for the Cisco IP Phone 7800 and 8800 Series could allow an unauthenticated, adjacent attacker to cause an affected phone to reload unexpectedly, resulting in a temporary denial of service DoS...

CVE-2019-1684

CVE-2019-1684 affects Cisco IP Phone 7800 and 8800 Series. The issue arises from missing length validation in the Cisco Discovery Protocol (CDP) / Link Layer Discovery Protocol (LLDP) header fields, allowing an unauthenticated, adjacent attacker to cause an affected phone to reload and experience...

CVE-2019-1684: Improper Restriction of Operations within the Bounds of a Memory Buffer

A vulnerability in the Cisco Discovery Protocol or Link Layer Discovery Protocol LLDP implementation for the Cisco IP Phone 7800 and 8800 Series could allow an unauthenticated, adjacent attacker to cause an affected phone to reload unexpectedly, resulting in a temporary denial of service DoS...