The BSI has issued a current IT security advisory for Cisco IOS XR. Several vulnerabilities have been identified. You can find out more about the affected operating systems and products as well as CVE numbers here on news.de.
The Federal Office for Security in Information Technology (BSI) issued a security advisory for Cisco IOS XR on March 13, 2024. The software contains several vulnerabilities that make it possible to attack. The security vulnerability affects the CISCO Appliance operating system and the Cisco IOS XR product.
The latest manufacturer recommendations regarding updates, workarounds and security patches for this vulnerability can be found here: Cisco Security Advisory (As of March 13, 2024). Other useful resources are listed later in this article.
The Common Vulnerability Scoring System (CVSS) is used to assess the vulnerability of computer systems. The CVSS standard makes it possible to compare potential or actual security vulnerabilities based on various criteria in order to create a priority list for taking countermeasures. The attributes “none”, “low”, “medium”, “high” and “critical” are used to determine the severity levels of a vulnerability. The Base Score evaluates the requirements for an attack (including authentication, complexity, privileges, user interaction) and its consequences. With the temporal score, framework conditions that can change over time are taken into account in the evaluation. The severity of the vulnerability discussed here is classified as “medium” according to the CVSS with a base score of 7.8.
Cisco Internetwork Operating System (IOS) is an operating system designed for Cisco devices such as: B. routers and switches are used.
A local attacker could exploit multiple vulnerabilities in Cisco IOS XR to cause a denial of service, bypass security measures, or escalate privileges.
The vulnerability is identified with the unique CVE (Common Vulnerabilities and Exposures) identification numbers. CVE-2024-20262, CVE-2024-20266, CVE-2024-20322, CVE-2024-20315, CVE-2024-20318, CVE-2024-20319, CVE-2024-20320 und CVE-2024-20327 traded.
Systems affected by the security gap at a glance
General measures for dealing with IT vulnerabilities
Users of the affected applications should keep them up to date. When security gaps become known, manufacturers are required to fix them as quickly as possible by developing a patch or a workaround. If new security updates become available, install them promptly. For information, consult the sources listed in the next section. These often contain further information about the latest version of the software in question as well as the availability of security patches or information about workarounds. If you have any further questions or uncertainties, please contact your responsible administrator. IT security managers should regularly check the sources mentioned to see whether a new security update is available.
Here you will find further links with information about bug reports, security fixes and workarounds.
This is the initial version of this IT Security Notice for Cisco IOS XR. This text will be updated as updates are announced. You can see the changes made using the version history below.
+++ Editorial note: This text was generated based on current BSI data and will be updated in a data-driven manner depending on the warning situation. We accept feedback and comments at [email protected]. +++
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