Double free

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...

CVE-2018-0476 Cisco IOS XE Software NAT Session Initiation Protocol Application Layer Gateway Denial of Service Vulnerability

A vulnerability in the Network Address Translation NAT Session Initiation Protocol SIP Application Layer Gateway ALG of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper processing of SIP packets in...

CVE-2018-0466 Cisco IOS and IOS XE Software OSPFv3 Denial of Service Vulnerability

A vulnerability in the Open Shortest Path First version 3 OSPFv3 implementation in Cisco IOS and IOS XE Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload. The vulnerability is due to incorrect handling of specific OSPFv3 packets. An attacker could...

CVE-2018-0197 Cisco IOS and IOS XE Software VLAN Trunking Protocol Denial of Service Vulnerability

A vulnerability in the VLAN Trunking Protocol VTP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to corrupt the internal VTP database on an affected device and cause a denial of service DoS condition. The vulnerability is due to a logic...

CVE-2018-15372 Cisco IOS XE Software MACsec MKA Using EAP-TLS Authentication Bypass Vulnerability

A vulnerability in the MACsec Key Agreement MKA using Extensible Authentication Protocol-Transport Layer Security EAP-TLS functionality of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to bypass authentication and pass traffic through a Layer 3 interface of an affected...

CVE-2018-15372

Cisco IOS XE Software MACsec MKA using EAP-TLS authentication contains a logic error that can let an unauthenticated adjacent attacker pass traffic through a Layer 3 interface configured for MACsec MKA in access-session closed mode, bypassing 802.1x controls. Affected components, impact, and expl...

CVE-2018-0466

CVE-2018-0466 affects Cisco IOS and IOS XE OSPFv3; vulnerability stems from incorrect handling of OSPFv3 packets, enabling an unauthenticated adjacent attacker to cause a device reload (DoS). Exploit vector is crafted OSPFv3 LSA packets. Remediation is upgrade to fixed Cisco releases per the Cisc...

CVE-2018-0473 Cisco IOS Software Precision Time Protocol Denial of Service Vulnerability

A vulnerability in the Precision Time Protocol PTP subsystem of Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition of the Precision Time Protocol. The vulnerability is due to insufficient processing of PTP packets. An attacker could explo...

CVE-2018-15377

Cisco IOS and IOS XE Software Plug and Play (Open Plug-n-Play) agent has a memory-leak vulnerability caused by insufficient input validation. An unauthenticated, remote attacker can send invalid data to the Plug and Play agent, potentially causing a memory leak and device reload. Affected: Cisco ...

CVE-2018-15371 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...

CVE-2018-0477

The CVE-2018-0477 entry describes a local, command-injection vulnerability in the CLI parser of Cisco IOS XE Software. An authenticated attacker with Privilege Level 15 can exploit improper sanitization of CLI command arguments to access internal data structures and execute arbitrary root command...

CVE-2018-0469 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...

CVE-2018-0197

Cisco IOS and IOS XE Software VLAN Trunking Protocol (VTP) Denial of Service vulnerability (CVE-2018-0197) allows an unauthenticated adjacent attacker to corrupt the VTP database and cause DoS. Root cause is a logic error in handling a subset of VTP packets; exploiting a packet sequence triggers ...

CVE-2018-15428 Cisco IOS XR Software Border Gateway Protocol Denial of Service Vulnerability

A vulnerability in the implementation of Border Gateway Protocol BGP functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerability is due to incorrect processing of certain BGP update messages. An attacker coul...

CVE-2018-0477: Improper Neutralization of Special Elements used in a Command

A vulnerability in the CLI parser of Cisco IOS XE Software could allow an authenticated, local attacker to execute commands on the underlying Linux shell of an affected device with root privileges. The vulnerability exist because the affected software improperly sanitizes command arguments, faili...

CVE-2018-0476: Undefined Security Weakness

A vulnerability in the Network Address Translation NAT Session Initiation Protocol SIP Application Layer Gateway ALG of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper processing of SIP packets in...

CVE-2018-0467: Improper Input Validation

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...

CVE-2018-0471: Uncontrolled Resource Consumption

A vulnerability in the Cisco Discovery Protocol CDP module of Cisco IOS XE Software Releases 16.6.1 and 16.6.2 could allow an unauthenticated, adjacent attacker to cause a memory leak that may lead to a denial of service DoS condition. The vulnerability is due to incorrect processing of certain C...

CVE-2018-15376: Write-what-where Condition

A vulnerability in the embedded test subsystem of Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers could allow an authenticated, local attacker to write arbitrary values to arbitrary locations in the memory space of an affected device. The vulnerability is due to the...

CVE-2018-15371: Improper Access Control

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...