There is a current IT security warning for LANCOM LCOS. You can find out what the vulnerability is, which products are affected and what you can do here.
The latest manufacturer recommendations regarding updates, workarounds and security patches for this vulnerability can be found here: Lancom safety instructions (Stand: 15.04.2024).
Safety notice for LANCOM LCOS – Risk: medium
Risk level: 5 (medium)
CVSS Base Score: 6,8
CVSS Temporal Score: 6,1
Remoteangriff: Ja
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 metrics in order to better prioritize 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. The temporal score also takes changes over time in the danger situation into account. According to the CVSS, the severity of the current vulnerability is rated as “medium” with a base score of 6.8.
LANCOM LCOS Bug: Vulnerability allows gaining administrator rights
LCOS is the operating system for the entire LANCOM product portfolio.
A remote, authenticated attacker can exploit a vulnerability in LANCOM LCOS to gain administrator rights.
Systems affected by the security gap at a glance
operating system
Products
LANCOM LCOS 10.80 RU1 (cpe:/o:lancom:lcos)
General measures for dealing with IT security gaps
Users of the affected systems 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 security patches are 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 when the manufacturing company makes a new security update available.
Manufacturer information on updates, patches and workarounds
Here you will find further links with information about bug reports, security fixes and workarounds.
Lancom safety instructions from 2024-04-15 (15.04.2024)
For more information, see:
Version history of this security alert
This is the initial version of this IT security notice for LANCOM LCOS. If updates are announced, this text will be updated. You can see the changes made using the version history below.
April 15, 2024 – Initial version
+++ 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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Edited by kns
roj/news.de