Cisco Releases Security Updates for Multiple Products

Cisco has released security updates to address vulnerabilities in multiple products. A remote attacker could exploit these vulnerabilities to take control of an affected system. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories webpage. The Cybersecurity and...

CVE-2020-3120 Cisco FXOS, IOS XR, and NX-OS Software Cisco Discovery Protocol Denial of Service Vulnerability

A vulnerability in the Cisco Discovery Protocol implementation for Cisco FXOS Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service DoS condition. The vulnerability is d...

CVE-2020-3120 (AKA: CDPwn)

A vulnerability in the Cisco Discovery Protocol implementation for Cisco FXOS Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service DoS condition. The vulnerability is d...

Cisco NX-OS Software NX-API Arbitrary Code Execution Vulnerability

According to its self-reported version, Cisco NX-OS Software is affected by a vulnerability in the NX-API feature of Cisco NX-OS Software that could allow an authenticated, local attacker to execute arbitrary code as root. The vulnerability is due to incorrect input validation in the NX-API...

Cisco NX-OS Software CLI Command Injection Vulnerability (CVE-2019-1612)

According to its self-reported version, Cisco NX-OS Software is affected by following vulnerability - A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system of an affected device.The...

Cisco NX-OS Software CLI Command Injection Vulnerability (CVE-2019-1610)

According to its self-reported version, Cisco NX-OS Software is affected by a vulnerability in the CLI of Cisco NX-OS Software that could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system of an affected device.The vulnerability is due to...

Cisco NX-OS Software Privilege Escalation Vulnerability

According to its self-reported version, Cisco NX-OS Software is affected by a vulnerability in the CLI of Cisco NX-OS Software. This vulnerability could allow an authenticated, local attacker to escalate lower-level privileges to the administrator level. The vulnerability is due to insufficient...

Cisco NX-OS Software OSPF LSA Manipulation (cisco-sa-20170727-ospf)

According to its self-reported version, Cisco NX-OS Software is affected by a vulnerability involving the Open Shortest Path First OSPF Routing Protocol Link State Advertisement LSA database. An unauthenticated, remote attacker can exploit this, by injecting crafted OSPF LSA type 1 packets, to...

Cisco NX-OS Software Command Injection (cisco-sa-20190515-nxos-cmdinj-1776)

According to its self-reported version, Cisco NX-OS Software is affected by a command injection vulnerability due to insufficient validation of arguments passed to a specific CLI command on an affected device. An authenticated, local attacker can exploit this to execute arbitrary commands on the...

Cisco NX-OS Software Command Injection (cisco-sa-20190515-nxos-cmdinj-1790)

According to its self-reported version, Cisco NX-OS Software is affected by a command injection vulnerability due to insufficient validation of arguments passed to certain CLI commands on an affected device. An authenticated, local attacker can exploit this to execute arbitrary commands on the...

Design/Logic Flaw

A vulnerability in the implementation of a CLI diagnostic command in Cisco FXOS Software and Cisco NX-OS Software could allow an authenticated, local attacker to view sensitive system files that should be restricted. The attacker could use this information to conduct additional reconnaissance...

Cisco NX-OS Software Virtual Service Image Signature Bypass Vulnerability

According to its self-reported version, Cisco NX-OS Software is affected by a vulnerability. The vulnerability allows an authenticated, local attacker with valid administrator or privilege level 15 credentials to load a virtual service image and bypass signature verification on an affected device...

CVE-2019-12717

A vulnerability in a CLI command related to the virtualization manager VMAN in Cisco NX-OS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying Linux operating system with root privileges. The vulnerability is due to insufficient validation of...

Input validation

A vulnerability in a CLI command related to the virtualization manager VMAN in Cisco NX-OS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying Linux operating system with root privileges. The vulnerability is due to insufficient validation of...

CVE-2019-12717

CVE-2019-12717 affects Cisco NX-OS Software via a VMAN CLI command injection vulnerability. The root cause is insufficient validation of arguments passed to a specific VMAN CLI command, allowing an authenticated, local attacker (with administrator credentials) to run arbitrary commands on the und...

Cisco NX-OS Software NX-API Denial of Service Vulnerability (CVE-2019-1968)

According to its self-reported version, Cisco NX-OS Software is affected by a denial of service vulnerability in the NX-API of Cisco NX-OS Software due to incorrect validation of HTTP requests. An unauthenticated, remote attacker could exploit this, by sending a crafted HTTP request to the NX-API...

Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1779)

According to its self-reported version, Cisco NX-OS Software is affected by the vulnerability that allows an authenticated, local attacker to execute arbitrary commands on the underlying operating system of an affected device with elevated privileges. The vulnerability is due to insufficient...

CVE-2019-1968

A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause an NX-API system process to unexpectedly restart. The vulnerability is due to incorrect validation of the HTTP header of a request that is sent to the NX-API. An attacker could...

Design/Logic Flaw

A vulnerability in the implementation of the Simple Network Management Protocol SNMP Access Control List ACL feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to perform SNMP polling of an affected device, even if it is configured to deny SNMP traffic. The...

CVE-2019-1969

CVE-2019-1969 affects Cisco NX-OS Software: SNMP ACL configuration name bypass where an ACL name at the maximum length (32 ASCII chars) triggers an incorrect length check, allowing unauthenticated remote SNMP polling despite deny rules. Root cause: length-check flaw in ACL name handling. Affected...