Cisco IOS XE Software for Cisco 5760 WLC, Cisco Catalyst 4500E Supervisor Engine 8-E, and Cisco NGWC 3850 GUI Privilege Escalation Vulnerability

A vulnerability in the web-based Wireless Controller GUI of Cisco IOS XE Software for Cisco 5760 Wireless LAN Controllers, Cisco Catalyst 4500E Supervisor Engine 8-E Wireless Switches, and Cisco New Generation Wireless Controllers NGWC 3850 could allow an authenticated, remote attacker to elevate...

Cisco IOS XE Wireless Controller Manager Denial of Service Vulnerability

A vulnerability in the wireless controller manager of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a restart of the switch and result in a denial of service DoS condition. The vulnerability is due to insufficient input validation. An attacker could exploit this...

Cisco Releases Security Updates

Cisco has released updates to address vulnerabilities affecting multiple products. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. US-CERT encourages users and administrators to review the following Cisco Security Advisories and apply the...

Cisco Catalyst 4000 Series Switches Authentication Bypass Vulnerability

Cisco Catalyst 4000 Series Switches is a 4000 series switch device from Cisco USA.IOS XE Software is one of the operating systems developed for network devices. A security vulnerability exists in the dynamic access lists ACLs of the IOS XE Software in Cisco Catalyst 4000 Series Switches. An...

CVE-2017-6796

A vulnerability in the USB-modem code of Cisco IOS XE Software running on Cisco ASR 920 Series Aggregation Services Routers could allow an authenticated, local attacker to inject and execute arbitrary commands on the underlying operating system of an affected device. The vulnerability is due to...

CVE-2017-6627

A vulnerability in the UDP processing code of Cisco IOS 15.1, 15.2, and 15.4 and IOS XE 3.14 through 3.18 could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and a denial of service DoS condition. The...

CVE-2017-6627

A vulnerability in the UDP processing code of Cisco IOS 15.1, 15.2, and 15.4 and IOS XE 3.14 through 3.18 could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and a denial of service DoS condition. The...

Race condition

A vulnerability in the UDP processing code of Cisco IOS 15.1, 15.2, and 15.4 and IOS XE 3.14 through 3.18 could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and a denial of service DoS condition. The...

Input validation

A vulnerability in the USB-modem code of Cisco IOS XE Software running on Cisco ASR 920 Series Aggregation Services Routers could allow an authenticated, local attacker to overwrite arbitrary files on the underlying operating system of an affected device. The vulnerability is due to improper inpu...

Input validation

A vulnerability in the dynamic access control list ACL feature of Cisco IOS XE Software running on Cisco Catalyst 4000 Series Switches could allow an unauthenticated, adjacent attacker to cause dynamic ACL assignment to fail and the port to fail open. This could allow the attacker to pass traffic...

CVE-2017-6796

CVE-2017-6796 affects Cisco IOS XE Software on Cisco ASR 920 Series Routers. The vulnerability resides in the USB-modem code and stems from improper input validation of the platform usb modem command in the CLI, enabling an authenticated, local attacker to inject and execute arbitrary commands on...

CVE-2017-6795

Cisco IOS XE Software on Cisco ASR 920 Series Routers is affected by CVE-2017-6795 due to improper input validation in the USB-modem code (platform usb modem CLI command). A local, authenticated attacker could exploit this to overwrite arbitrary files on the device’s underlying operating system. ...

CVE-2017-6795

A vulnerability in the USB-modem code of Cisco IOS XE Software running on Cisco ASR 920 Series Aggregation Services Routers could allow an authenticated, local attacker to overwrite arbitrary files on the underlying operating system of an affected device. The vulnerability is due to improper inpu...

CVE-2017-6796

A vulnerability in the USB-modem code of Cisco IOS XE Software running on Cisco ASR 920 Series Aggregation Services Routers could allow an authenticated, local attacker to inject and execute arbitrary commands on the underlying operating system of an affected device. The vulnerability is due to...

CVE-2017-12211

A vulnerability in the IPv6 Simple Network Management Protocol SNMP code of Cisco IOS and Cisco IOS XE Software could allow an authenticated, remote attacker to cause high CPU usage or a reload of the device. The vulnerability is due to IPv6 sub block corruption. An attacker could exploit this...

CVE-2017-6627

A vulnerability in the UDP processing code of Cisco IOS 15.1, 15.2, and 15.4 and IOS XE 3.14 through 3.18 could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and a denial of service DoS condition. The...

CVE-2017-6627

A vulnerability in the UDP processing code of Cisco IOS 15.1, 15.2, and 15.4 and IOS XE 3.14 through 3.18 could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and a denial of service DoS condition. The...

Cisco IOS and Cisco IOS XE Software UDP Packet Processing Denial of Service Vulnerability

A vulnerability in the UDP processing code of Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and a denial of service DoS condition. The vulnerability is due to...

Cisco Catalyst 4000 Series Switches Dynamic ACL Bypass Vulnerability

A vulnerability in the dynamic access control list ACL feature of Cisco IOS XE Software running on Cisco Catalyst 4000 Series Switches could allow an unauthenticated, adjacent attacker to cause dynamic ACL assignment to fail and the port to fail open. This could allow the attacker to pass traffic...

Cisco IOS XE Software for Cisco ASR 920 Series Routers Arbitrary File Overwrite Vulnerability

A vulnerability in the USB-modem code of Cisco IOS XE Software running on Cisco ASR 920 Series Aggregation Services Routers could allow an authenticated, local attacker to overwrite arbitrary files on the underlying operating system of an affected device. The vulnerability is due to improper inpu...