CVE-2021-28485: Path Traversal

Published Sep 14, 2023
·
Updated

In Ericsson Mobile Switching Center Server (MSC-S) before IS 3.1 CP22, the SIS web application allows relative path traversal via a specific parameter in the https request after authentication, which allows access to files on the system that are not intended to be accessible via the web application.

Affected Software

2 affected components
Ericsson Mobile Switching Center Server Bc 18a Firmware>=is_3.1<is_3.1_cp22
Ericsson Mobile Switching Center Server Bc 18a

Event History

Sep 14, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
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Frequently Asked Questions

1

What is CVE-2021-28485?

CVE-2021-28485 is a vulnerability in Ericsson Mobile Switching Center Server (MSC-S) before IS 3.1 CP22 that allows relative path traversal, leading to unauthorized access to system files.

2

What is the severity of CVE-2021-28485?

The severity of CVE-2021-28485 is medium with a CVSS score of 6.5.

3

How does CVE-2021-28485 affect Ericsson Mobile Switching Center Server (MSC-S)?

CVE-2021-28485 affects Ericsson Mobile Switching Center Server (MSC-S) before IS 3.1 CP22, allowing unauthorized access to files on the system via the SIS web application.

4

How can I fix CVE-2021-28485?

To fix CVE-2021-28485, it is recommended to update Ericsson Mobile Switching Center Server (MSC-S) to IS 3.1 CP22 or later.

5

Where can I find more information about CVE-2021-28485?

More information about CVE-2021-28485 can be found on the Ericsson PSIRT website and the Gruppo Tim website.

Contact

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