CVE-2020-3284 Cisco IOS XR Software Enhanced Preboot eXecution Environment Unsigned Code Execution Vulnerability

A vulnerability in the enhanced Preboot eXecution Environment PXE boot loader for Cisco IOS XR 64-bit Software could allow an unauthenticated, remote attacker to execute unsigned code during the PXE boot process on an affected device. The PXE boot loader is part of the BIOS and runs over the...

Cisco IOS XR RCE (cisco-sa-iosxr-pxe-unsign-code-exec-qAa78fD2)

According to its self-reported version, IOS-XR is affected by a remote code execution vulnerability in the enhanced Preboot eXecution Environment PXE boot loader due to a failure to verify commands issued during a network boot. An unauthenticated, remote attacker can exploit this to execute...

Vulnerability fixed in Cisco IOS XR

A vulnerability in the Preboot eXecution Environment PXE bootloader for Cisco IOS XR 64-bit software could allow an unauthenticated, remote malicious agent to execute execute unsigned code during the PXE boot process on an affected device. The PXE bootloader is part of the BIOS and is executed...

Cisco IOS XR Software Enhanced Preboot eXecution Environment Unsigned Code Execution Vulnerability

A vulnerability in the enhanced Preboot eXecution Environment PXE boot loader for Cisco IOS XR 64-bit Software could allow an unauthenticated, remote attacker to execute unsigned code during the PXE boot process on an affected device. The PXE boot loader is part of the BIOS and runs over the...

VulnCheck KEV: CVE-2020-3118

Cisco IOS XR improperly validates string input from certain fields in Cisco Discovery Protocol messages. Exploitation could allow an unauthenticated, adjacent attacker to execute code with administrative privileges or cause a reload on an affected device...

The vulnerability of the BGP protocol implementation in Cisco IOS XR allows a attacker to cause a service failure.

The vulnerability of the BGP protocol implementation in Cisco IOS XR lies in insufficient checking of unusual or exceptional states. Exploiting this vulnerability can allow a malicious actor to cause service failures remotely...

Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability

Cisco IOS XR Software is an operating system developed by Cisco for its network devices.A memory exhaustion vulnerability exists in Cisco IOS XR Software DVMRP, which can be exploited by attackers to crash IGMP processes or cause memory exhaustion...

Cisco Issues Patches For 2 High-Severity IOS XR Flaws Under Active Attacks

Cisco yesterday released security patches for two high-severity vulnerabilities affecting its IOS XR software that were found exploited in the wild a month ago. Tracked as CVE-2020-3566 and CVE-2020-3569, details for both zero-day unauthenticated DoS vulnerabilities were made public by Cisco late...

Cisco Issues Patches For 2 High-Severity IOS XR Flaws Under Active Attacks

Cisco yesterday released security patches for two high-severity vulnerabilities affecting its IOS XR software that were found exploited in the wild a month ago. Tracked as CVE-2020-3566 and CVE-2020-3569 , details for both zero-day unauthenticated DoS vulnerabilities were made public by Cisco lat...

Cisco IOS XR Authenticated User Privilege Escalation (cisco-sa-iosxr-cli-privescl-sDVEmhqv)

According to its self-reported version, Cisco IOS XR Software is affected by a privilege escalation vulnerability in task group assignment for a specific CLI command due to incorrect mapping of task groups assignments. An authenticated, local attacker with read permissions could exploit this...

Cisco IOS XR Software Authenticated User Privilege Escalation (cisco-sa-iosxr-LJtNFjeN)

According to its self-reported version, Cisco IOS XR Software is affected by a privilege escalation vulnerability in task group assignment for a specific CLI command due to incorrect mapping to task groups. An attacker could exploit this vulnerability by first authenticating to the local CLI shel...

CVE-2020-3569

Multiple vulnerabilities in the Distance Vector Multicast Routing Protocol DVMRP feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to either immediately crash the Internet Group Management Protocol IGMP process or make it consume available memory and eventually cras...

CVE-2020-3569

Multiple vulnerabilities in the Distance Vector Multicast Routing Protocol DVMRP feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to either immediately crash the Internet Group Management Protocol IGMP process or make it consume available memory and eventually cras...

CVE-2019-16023

Multiple vulnerabilities in the implementation of Border Gateway Protocol BGP Ethernet VPN EVPN functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerabilities are due to incorrect processing of BGP update...

CVE-2019-16021

Multiple vulnerabilities in the implementation of Border Gateway Protocol BGP Ethernet VPN EVPN functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerabilities are due to incorrect processing of BGP update...

CVE-2019-16021

Multiple vulnerabilities in the implementation of Border Gateway Protocol BGP Ethernet VPN EVPN functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerabilities are due to incorrect processing of BGP update...

CVE-2019-16019

Multiple vulnerabilities in the implementation of Border Gateway Protocol BGP Ethernet VPN EVPN functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerabilities are due to incorrect processing of BGP update...

Memory corruption

Multiple vulnerabilities in the Distance Vector Multicast Routing Protocol DVMRP feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to either immediately crash the Internet Group Management Protocol IGMP process or make it consume available memory and eventually cras...

Design/Logic Flaw

Multiple vulnerabilities in the implementation of Border Gateway Protocol BGP Ethernet VPN EVPN functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerabilities are due to incorrect processing of BGP update...

CVE-2019-16019

CVE-2019-16019 refers to multiple DoS vulnerabilities in Cisco IOS XR’s BGP EVPN implementation. Affected component: BGP EVPN processing in Cisco IOS XR software. Root cause: incorrect handling of BGP update messages containing crafted EVPN attributes, enabling an unauthenticated, remote attacker...