Cisco IOS XR 资源管理错误漏洞

Cisco IOS XR software is a modular and fully distributed network operating system for service provider networks. A denial of service vulnerability exists in the ingress packet processing function of Cisco IOS XR. The vulnerability stems from a logic error in the processing of Telnet protocol...

Cisco IOS和Cisco IOS XR 权限许可和访问控制问题漏洞

Cisco IOS XR software is a modular and fully distributed network operating system for service provider networks. An information disclosure vulnerability exists in the CLI parser in Cisco IOS XR versions prior to 7.1.2, 7.2.1, and 7.3.1. The vulnerability stems from insufficient application of...

PT-2021-1915 · Cisco · Cisco Nx-Os +2

Name of the Vulnerable Software and Affected Versions: Cisco IOS XR Software affected versions not specified Cisco NX-OS Software affected versions not specified Description: A vulnerability in the IPv6 traffic processing of Cisco IOS XR Software and Cisco NX-OS Software for certain Cisco devices...

Cisco IOS XR 资源管理错误漏洞

Cisco IOS XR software is a modular and fully distributed network operating system for service provider networks. A denial of service vulnerability exists in the ingress packet processing function of Cisco IOS XR. The vulnerability stems from improper resource allocation when an affected device...

The vulnerability of the Preboot eXecution Environment (PXE) of the Cisco IOS XR operating system allows a hacker to execute arbitrary code.

The vulnerability of the Preboot eXecution Environment PXE of the Cisco IOS XR operating system is related to access control deficiencies. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

Cisco IOS XR Software for ASR 9000 Series Slow Path Forwarding DoS (cisco-sa-xr-cp-dos-ej8VB9QY)

According to its self-reported version, IOS-XR is affected by a denial of service DoS vulnerability in the ingress packet processing function due to improper resource allocation when processing network traffic in software switching mode punted. An unauthenticated, remote attacker can exploit this...

CVE-2020-26070

A vulnerability in the ingress packet processing function of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper resource...

Design/Logic Flaw

A vulnerability in the ingress packet processing function of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper resource...

CVE-2020-26070

CVE-2020-26070 affects Cisco IOS XR Software on Cisco ASR 9000 Series routers. The flaw is in the ingress packet processing function where improper resource allocation during software switching (punted) can be exploited by unauthenticated remote attackers via specific Layer 2/3 PDUs to exhaust bu...

High-Severity Cisco DoS Flaw Can Immobilize ASR Routers

A high-severity flaw in Cisco’s IOS XR software could allow unauthenticated, remote attackers to cripple Cisco Aggregation Services Routers ASR. The flaw stems from Cisco IOS XR, a train of Cisco Systems’ widely deployed Internetworking Operating System IOS. The OS powers the Cisco ASR 9000 serie...

Cisco IOS XR Software Slow Path Forwarding Denial of Service Vulnerability

A vulnerability in the egress packet processing function of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers and Cisco Network Convergence System NCS 5000 Series Routers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an...

Cisco Releases Security Update for IOS XR Software

Cisco has released a security update to address a vulnerability in IOS XR Software for ASR 9000 Series Aggregation Services Routers. An unauthenticated, remote attacker could exploit this vulnerability to cause a denial-of-service condition. The Cybersecurity and Infrastructure Security Agency CI...

CVE-2020-3284

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...

CVE-2020-3284

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...

Design/Logic Flaw

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...

CVE-2020-3284

Cisco IOS XR 64-bit devices are affected by CVE-2020-3284 due to a vulnerability in the enhanced PXE boot loader. The issue arises because internal commands during the PXE network boot process are not properly verified, allowing an unauthenticated, remote attacker to execute unsigned code if they...

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...

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...