The BSI has issued a current IT security advisory for SolarWinds Serv-U Managed File Transfer Server. You can find out more about the affected operating systems and products as well as CVE numbers here on news.de.
The latest manufacturer recommendations regarding updates, workarounds and security patches for this vulnerability can be found here: SolarWinds Trust Center Security Advisories | CVE-2023-23841 (Stand: 05.06.2023).
SolarWinds Serv-U Managed File Transfer Server Security Advisory – Risk: Medium
Risk level: 2 (medium)
CVSS Base Score: 4,8
CVSS Temporal Score: 4,2
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 list of priorities for initiating countermeasures based on this. The attributes “none”, “low”, “medium”, “high” and “critical” are used for the severity of a vulnerability. The base score assesses the prerequisites for an attack (including authentication, complexity, privileges, user interaction) and its consequences. The Temporal Score also takes into account changes over time with regard to the risk situation. The severity of the vulnerability discussed here is rated as “medium” according to the CVSS with a base score of 4.8.
SolarWinds Serv-U Managed File Transfer Server Bug: Vulnerability allows information disclosure
SolarWinds Serv-U is FTP server software.
A remote, authenticated attacker could exploit a vulnerability in SolarWinds Serv-U Managed File Transfer Server to disclose information.
The vulnerability is identified with the unique CVE identification number (Common Vulnerabilities and Exposures) CVE-2023-23841 traded.
Systems affected by the vulnerability at a glance
SolarWinds Serv-U Managed File Transfer Server < 15.4 (cpe:/a:solarwinds:serv-u)
General recommendations 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 remedy 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 on the latest version of the software in question and the availability of security patches or tips on workarounds.
- If you have any further questions or are uncertain, 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
At this point there are further links with information about bug reports, security fixes and workarounds.
SolarWinds Trust Center Security Advisories | CVE-2023-23841 vom 2023-06-05 (06.06.2023)
For more information, see: https://www.solarwinds.com/trust-center/security-advisories/cve-2023-23841
Version history of this security alert
This is the initial version of this IT Security Notice for SolarWinds Serv-U Managed File Transfer Server. If updates are announced, this text will be updated. You can understand the changes made using the following version history.
06/06/2023 – Initial version
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