CVE-2024-20456

A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker with high privileges to bypass the Cisco Secure Boot functionality and load unverified software on an affected device. To exploit this successfully, the attacker must have root-system...

CVE-2024-20456

Cisco IOS XR Software contains a boot-process vulnerability that can be exploited by an authenticated, high-privilege, local attacker to bypass Cisco Secure Boot and load unverified images. The issue stems from an error in the software build process and allows manipulation of configuration option...

Cisco IOS XR Software Secure Boot Bypass Vulnerability

A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker with high privileges to bypass the Cisco Secure Boot functionality and load unverified software on an affected device. To exploit this successfully, the attacker must have root-system...

PT-2024-5732 · Cisco · Cisco Ios Xr

Name of the Vulnerable Software and Affected Versions: Cisco IOS XR Software affected versions not specified Description: The issue is related to an error in the software build process, allowing an authenticated, local attacker with high privileges to bypass the Cisco Secure Boot functionality an...

Siemens SCALANCE XM-400, XR-500

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens' ProductCERT Security Advisories CERT Services | Services |...

Cisco IOS XR Software SNMP Management Plane Protection ACL Bypass (cisco-sa-snmp-uhv6ZDeF)

According to its self-reported version, Cisco IOS XR is affected by a vulnerability. - A vulnerability in the UDP forwarding code of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to bypass configured management plane protection policies and access the Simple Network...

The vulnerability of the implementation of Secure Copy Protocol and FTP (SFTP) protocols in the Cisco IOS XR operating system allows a hacker to induce a service failure.

The vulnerability of the Secure Copy Protocol and FTP SFTP implementations in the Cisco IOS XR operating system is related to insecure management of privileges. Exploiting this vulnerability can allow attackers to cause service failures...

The vulnerability of Cisco IOS XR’s MPLS interface allows a hacker to bypass security restrictions imposed by ACLs.

The vulnerability of MPLS interfaces of the Cisco IOS XR operating system is related to deficiencies in access control based on Access Control Lists ACLs. Exploiting this vulnerability allows a malicious actor to circumvent ACL security restrictions remotely...

Cisco IOS XR Software SSH Privilege Escalation (cisco-sa-iosxr-ssh-privesc-eWDMKew3)

According to its self-reported version, Cisco IOS XR is affected by a vulnerability. - A vulnerability in the SSH client feature of Cisco IOS XR Software for Cisco 8000 Series Routers and Cisco Network Convergence System NCS 540 Series and 5700 Series Routers could allow an authenticated, local...

Cisco IOS XR Software for ASR 9000 Series Aggregation Services Routers PPPoE DoS (cisco-sa-iosxr-pppma-JKWFgneW)

According to its self-reported version, Cisco IOS XR is affected by a vulnerability. - A vulnerability in the PPP over Ethernet PPPoE termination feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to crash the...

Cisco IOS XR Flaws Enable Privilege Elevation and DoS Attacks

Summary: Three high-severity vulnerabilities have been discovered in the Cisco IOS XR software, posing risks of denial-of-service DoS attacks and elevation of privilege. These vulnerabilities are tracked as CVE-2024-20320, CVE-2024-20318, and CVE-2024-20327. Threat Level - Amber | Vulnerability...

Cisco Releases Security Updates for IOS XR Software

Cisco released security updates to address vulnerabilities in Cisco IOS XR software. A cyber threat actor could exploit one of these vulnerabilities to take control of an affected device. CISA encourages users and administrators to review the following advisories and apply the necessary updates:...

Cisco IOS XR Software Authenticated CLI SCP/SFTP DoS (cisco-sa-iosxr-scp-dos-kb6sUUHw)

According to its self-reported version, Cisco IOS XR is affected by a vulnerability. - A vulnerability in the Secure Copy Protocol SCP and SFTP feature of Cisco IOS XR Software could allow an authenticated, local attacker to create or overwrite files in a system directory, which could lead to a...

The vulnerability of the SSH client of the Cisco IOS XR operating system allows a hacker to elevate their privileges to the root level.

The vulnerability of the SSH client of the Cisco IOS XR operating system is related to the improper assignment of privileges. Exploiting this vulnerability can allow an attacker to elevate their privileges to the root level by injecting a specially crafted SSH command into the command line...

Vulnerabilities fixed in Cisco IOS XR

Cisco has fixed vulnerabilities in IOS XR. A malicious person could exploit the vulnerabilities to circumvent a security measure bypass, cause a denial-of-service, or execute arbitrary execute arbitrary code on the vulnerable system. To successfully execute arbitrary code, the malicious party mus...

CVE-2024-20327

A vulnerability in the PPP over Ethernet PPPoE termination feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to crash the pppma process, resulting in a denial of service DoS condition. This vulnerability is du...

CVE-2024-20319

A vulnerability in the UDP forwarding code of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to bypass configured management plane protection policies and access the Simple Network Management Plane SNMP server of an affected device. This vulnerability is due to incorrect...

CVE-2024-20322

A vulnerability in the access control list ACL processing on Pseudowire interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to improper assignment of lookup keys to internal interface...

CVE-2024-20319

A vulnerability in the UDP forwarding code of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to bypass configured management plane protection policies and access the Simple Network Management Plane SNMP server of an affected device. This vulnerability is due to incorrect...

CVE-2024-20315

A vulnerability in the access control list ACL processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to improper assignment of lookup keys to internal interface contexts...