CVE-2021-28485
4.3 · MEDIUMOverview
CVE-2021-28485 is a medium-severity vulnerability affecting ericsson mobile_switching_center_server_bc_18a_firmware. It was published on September 14, 2023 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from ericsson. Update mobile_switching_center_server_bc_18a_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| ericsson | mobile_switching_center_server_bc_18a_firmware | >= is_3.1, < is_3.1_cp22 | Affected |
Frequently Asked Questions
What is CVE-2021-28485?
CVE-2021-28485 is a medium-severity vulnerability affecting ericsson mobile_switching_center_server_bc_18a_firmware. It was published on September 14, 2023 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
How severe is CVE-2021-28485?
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-28485?
Check the references section for vendor advisories and patches from ericsson. Update mobile_switching_center_server_bc_18a_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-28485?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-28485 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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