Input validation

A vulnerability within the Endpoint Learning feature of Cisco Nexus 9000 Series Switches running in Application Centric Infrastructure ACI mode could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an endpoint device in certain circumstances. The...

CVE-2019-1977 Cisco Nexus 9000 Series Fabric Switches ACI Mode Border Leaf Endpoint Learning Vulnerability

A vulnerability within the Endpoint Learning feature of Cisco Nexus 9000 Series Switches running in Application Centric Infrastructure ACI mode could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an endpoint device in certain circumstances. The...

CVE-2019-1977 Cisco Nexus 9000 Series Fabric Switches ACI Mode Border Leaf Endpoint Learning Vulnerability

A vulnerability within the Endpoint Learning feature of Cisco Nexus 9000 Series Switches running in Application Centric Infrastructure ACI mode could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an endpoint device in certain circumstances. The...

CVE-2019-1977

CVE-2019-1977 affects Cisco Nexus 9000 Series switches running in Application Centric Infrastructure (ACI) mode. The flaw is in Endpoint Learning: when packets arrive on a port from outside the ACI fabric and are destined for an endpoint on a border leaf with Disable Remote Endpoint Learning enab...

CVE-2019-1977: Undefined Security Weakness

A vulnerability within the Endpoint Learning feature of Cisco Nexus 9000 Series Switches running in Application Centric Infrastructure ACI mode could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an endpoint device in certain circumstances. The...

Cisco Releases Security Updates for Multiple Products

Cisco has released security updates to address vulnerabilities in multiple Cisco products. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review t...

Cisco Nexus 9000 Series Fabric Switches ACI Mode Border Leaf Endpoint Learning Vulnerability

A vulnerability within the Endpoint Learning feature of Cisco Nexus 9000 Series Switches running in Application Centric Infrastructure ACI mode could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an endpoint device in certain circumstances. The...

OPENSUSE-SU-2019:1858-1 Security update for ansible

This update for ansible fixes the following issues: Ansible was updated to version 2.8.1: Full changelog is at /usr/share/doc/packages/ansible/changelogs/ - Bugfixes - ACI - DO not encode querystring - ACI modules - Fix non-signature authentication - Add missing directory provided via...

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...

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 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

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...

CVE-2019-1901 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...

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...

Cisco Nexus 9000 Series Fabric Switches ACI Mode Fabric Infrastructure VLAN Unauthorized Access Vulnerability

According to its self-reported version, the Cisco NX-OS Software in ACI mode is affected by a security bypass vulnerability. An unauthenticated, adjacent attacker could exploit this vulnerability to connect an unauthorized server to the highly privileged infrastructure VLAN. Please see the includ...

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 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

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...