Cisco IOS XE Software HTTP DoS Vulnerability (cisco-sa-20180926-webdos)

According to its self-reported version, the IOS XE is affected by one or more vulnerabilities. Please see the included Cisco BIDs and the Cisco Security Advisory for more information. TRUSTED...

Cisco IOS XE Software NAT SIP Application Layer Gateway DoS Vulnerability (cisco-sa-20180926-sip-alg)

According to its self-reported version, the IOS XE is affected by one or more vulnerabilities. Please see the included Cisco BIDs and the Cisco Security Advisory for more information. TRUSTED...

Cisco IOS XE Software Denial of Service Vulnerability (CNVD-2018-20221)

Cisco IOS XE Software is a set of operating systems developed by Cisco for its network devices.Cisco Discovery Protocol CDP is one of the device discovery modules. A memory disclosure vulnerability exists in the CDP module in Cisco IOS XE Software versions 16.6.1 and 16.6.2. An attacker in close...

Cisco IOS Software and IOS XE Software Denial of Service Vulnerability (CNVD-2018-20297)

Cisco IOS Software and IOS XE Software are both operating systems developed by Cisco for its network devices.Cluster Management Protocol is one of the cluster management protocols. A denial of service vulnerability exists in Cluster Management Protocol in Cisco IOS Software and IOS XE Software. A...

Cisco IOS XE Software Shell Access Authentication Bypass Vulnerability

A vulnerability in the shell access request mechanism of Cisco IOS XE Software could allow an authenticated, local attacker to bypass authentication and gain unrestricted access to the root shell of an affected device. The vulnerability exists because the affected software has insufficient...

Cisco IOS and IOS XE Software IPv6 Hop-by-Hop Options Denial of Service Vulnerability

A vulnerability in the IPv6 processing code of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect handling of specific IPv6 hop-by-hop options. An attacker could exploit this vulnerability by sending a...

Cisco IOS and IOS XE Software TACACS+ Client Denial of Service Vulnerability

A vulnerability in the TACACS+ client subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. The vulnerability is due to improper handling of crafted TACACS+...

Cisco IOS XE Software Privileged EXEC Mode Root Shell Access Vulnerability

A vulnerability in the CLI parser of Cisco IOS XE Software could allow an authenticated, local attacker to gain access to the underlying Linux shell of an affected device and execute arbitrary commands with root privileges on the device. The vulnerability is due to the affected software improperl...

Cisco IOS XE Software Errdisable Denial of Service Vulnerability

A vulnerability in the errdisable per VLAN feature of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause the device to crash, leading to a denial of service DoS condition. The vulnerability is due to a race condition that occurs when the VLAN and port enter an...

Cisco IOS and IOS XE Software Cluster Management Protocol Denial of Service Vulnerability

A vulnerability in the implementation of the cluster feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to trigger a denial of service DoS condition on an affected device. The vulnerability is due to improper input validation when handling...

Cisco IOS XE Software Web UI Denial of Service Vulnerability

A vulnerability in the web user interface of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to a double-free-in-memory handling by the affected software when specific HTTP requests are processed. An attacker...

Cisco IOS XE Software and Cisco ASA 5500-X Series Adaptive Security Appliance IPsec Denial of Service Vulnerability

A vulnerability in the IPsec driver code of multiple Cisco IOS XE Software platforms and the Cisco ASA 5500-X Series Adaptive Security Appliance ASA could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to improper processing of malformed IPsec...

Cisco IOS XE Software Digital Signature Verification Bypass Vulnerability

A vulnerability in the Image Verification feature of Cisco IOS XE Software could allow an authenticated, local attacker to install a malicious software image or file on an affected device. The vulnerability is due to the affected software improperly verifying digital signatures for software image...

Cisco IOS XE Software HTTP Denial of Service Vulnerability

A vulnerability in the web framework of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a buffer overflow condition on an affected device, resulting in a denial of service DoS condition. The vulnerability is due to the affected software improperly parsing malformed...

Cisco Issues New Warning for 6-Month-Old Critical Bug in IOS XE

UPDATE Cisco Systems has issued a second warning for a critical static credential bug in its IOS XE software, which allows an unauthenticated attacker to gain access to targeted systems. The security bulletin comes more than six months after the company initially reported the bug and provided a...

CVE-2018-0131

The vulnerability CVE-2018-0131 affects Cisco IOS and IOS XE when RSA-encrypted nonces are used in IKEv1. The root cause is that the software responds incorrectly to decryption failures, allowing an unauthenticated remote attacker to send crafted ciphertexts and obtain the encrypted nonces from a...

CVE-2018-0131

A vulnerability in the implementation of RSA-encrypted nonces in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to obtain the encrypted nonces of an Internet Key Exchange Version 1 IKEv1 session. The vulnerability exists because the affected software...

CVE-2018-0131

A vulnerability in the implementation of RSA-encrypted nonces in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to obtain the encrypted nonces of an Internet Key Exchange Version 1 IKEv1 session. The vulnerability exists because the affected software...

Cisco IOS and IOS XE Software Internet Key Exchange Version 1 RSA-Encrypted Nonces Vulnerability

A vulnerability in the implementation of RSA-encrypted nonces in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to obtain the encrypted nonces of an Internet Key Exchange Version 1 IKEv1 session. The vulnerability exists because the affected software...

CVE-2018-0315

A vulnerability in the authentication, authorization, and accounting AAA security services of Cisco IOS XE Software could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device or cause an affected device to reload, resulting in a denial of service DoS condition...