CVE-2021-28485 — MEDIUM (4.3)

Q: How severe is CVE-2021-28485?

CVE-2021-28485 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-28485?

Check the references section above for vendor advisories and patch information. Affected products include: Ericsson Mobile Switching Center Server Bc 18A Firmware, Ericsson Mobile Switching Center Server Bc 18A.

Vulnerability 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.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Ericsson	Mobile Switching Center Server Bc 18A Firmware	>= is_3.1, < is_3.1_cp22
Ericsson	Mobile Switching Center Server Bc 18A	-

Related Weaknesses (CWE)

CWE-22

References

https://www.ericsson.com/en/about-us/security/psirtVendor Advisory
https://www.gruppotim.it/it/footer/red-team.htmlThird Party Advisory
https://www.ericsson.com/en/about-us/security/psirtVendor Advisory
https://www.gruppotim.it/it/footer/red-team.htmlThird Party Advisory

FAQ

What is CVE-2021-28485?

CVE-2021-28485 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 ...

How severe is CVE-2021-28485?

CVE-2021-28485 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-28485?

Check the references section above for vendor advisories and patch information. Affected products include: Ericsson Mobile Switching Center Server Bc 18A Firmware, Ericsson Mobile Switching Center Server Bc 18A.