CVE-2020-3530

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local attacker to execute that command, even though administrative privileges should be required. The attacker must have valid credentials on the affected device. The...

CVE-2020-3473

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local CLI shell user to elevate privileges and gain full administrative control of the device. The vulnerability is due to incorrect mapping of a command to task groups withi...

Command injection

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local attacker to execute that command, even though administrative privileges should be required. The attacker must have valid credentials on the affected device. The...

Authorization

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local CLI shell user to elevate privileges and gain full administrative control of the device. The vulnerability is due to incorrect mapping of a command to task groups withi...

CVE-2020-3473

CVE-2020-3473 describes a privilege-escalation vulnerability in Cisco IOS XR Software where an authenticated, local CLI shell user can elevate privileges due to an incorrect mapping of a CLI command to task groups. The attacker would authenticate to the local CLI shell and use the affected comman...

CVE-2020-3473 Cisco IOS XR Software Authenticated User Privilege Escalation Vulnerability

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local CLI shell user to elevate privileges and gain full administrative control of the device. The vulnerability is due to incorrect mapping of a command to task groups withi...

CVE-2020-3473 Cisco IOS XR Software Authenticated User Privilege Escalation Vulnerability

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local CLI shell user to elevate privileges and gain full administrative control of the device. The vulnerability is due to incorrect mapping of a command to task groups withi...

CVE-2020-3530 Cisco IOS XR Authenticated User Privilege Escalation Vulnerability

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local attacker to execute that command, even though administrative privileges should be required. The attacker must have valid credentials on the affected device. The...

CVE-2020-3530

Cisco IOS XR Software contains CVE-2020-3530, a privilege-escalation flaw in task group assignment for a specific CLI command. An authenticated, local attacker with valid credentials can issue a command that should require Administrator privileges, due to an incorrect mapping in task group assign...

CVE-2020-3530 Cisco IOS XR Authenticated User Privilege Escalation Vulnerability

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local attacker to execute that command, even though administrative privileges should be required. The attacker must have valid credentials on the affected device. The...

Cisco IOS XR Elevation of Privilege Vulnerability (CNVD-2020-51773)

Cisco IOS XR software is a modular and fully distributed network operating system for service provider networks. An elevation of privilege vulnerability exists in Cisco IOS XR, which stems from an incorrect command-to-task group mapping in the code, and can be exploited by an attacker to elevate...

The vulnerability of the Distance Vector Multicast Routing Protocol (DVMRP) implementation in the Cisco IOS XR operating system allows a attacker to cause a service failure.

The vulnerability of the Distance Vector Multicast Routing Protocol DVMRP implementation in the Cisco IOS XR operating system is related to uncontrolled resource consumption. Exploiting this vulnerability could allow a malicious actor to cause service failures...

Cisco Releases Security Updates

Cisco has released security updates to address vulnerabilities in Cisco products. An attacker could exploit some of these vulnerabilities to take control of an affected system. For updates addressing lower severity vulnerabilities see the Cisco Security Advisories page. The Cybersecurity and...

Cisco IOS XR Software Authenticated User Privilege Escalation Vulnerability

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local CLI shell user to elevate privileges and gain full administrative control of the device. The vulnerability is due to incorrect mapping of a command to task groups withi...

Cisco IOS XR Authenticated User Privilege Escalation Vulnerability

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local attacker to execute that command, even though administrative privileges should be required. The attacker must have valid credentials on the affected device. The...

Cisco Issues Warning Over IOS XR Zero-Day Flaw Being Targeted in the Wild

Cisco has warned of an active zero-day vulnerability in its router software that's being exploited in the wild and could allow a remote, authenticated attacker to carry out memory exhaustion attacks on an affected device. "An attacker could exploit these vulnerabilities by sending crafted IGMP...

Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities (cisco-sa-iosxr-dvmrp-memexh-dSmpdvfz)

According to its self-reported configuration, Cisco IOS XR Software is affected by multiple vulnerabilities: - Multiple denial of service DoS vulnerabilities exist in the Distance Vector Multicast Routing Protocol DVMRP feature due to insufficient queue management for Internet Group Management...

Cisco Releases Security Advisory for DVMRP Vulnerability in IOS XR Software

Cisco has released a security advisory on a vulnerability—CVE-2020-3566—in the Distance Vector Multicast Routing Protocol DVMRP feature of Cisco IOS XR software. This vulnerability affects Cisco devices running IOS XR software that have an active interface configured under multicast routing. A...

Design/Logic Flaw

A vulnerability in the Distance Vector Multicast Routing Protocol DVMRP feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust process memory of an affected device. The vulnerability is due to insufficient queue management for Internet Group Management Protoco...

CVE-2020-3566

CVE-2020-3566 affects Cisco IOS XR Software, exploiting the DVMRP feature via crafted IGMP traffic to exhaust device memory and disrupt processes. Root cause is insufficient IGMP queue management within DVMRP, potentially impacting interior/exterior routing protocols and causing instability. Mult...