CVE-2020-8948

HIGH

Sierra Wireless Mobile Broadband Driver Package < 5043 - Unauthenticated Arbitrary File Write via Hard Link

Title source: llm

Description

The Sierra Wireless Windows Mobile Broadband Driver Packages (MBDP) before build 5043 allows an unprivileged user to overwrite arbitrary files in arbitrary folders using hard links. An unprivileged user could leverage this vulnerability to execute arbitrary code with system privileges.

References (2)

Core 2

Core References

Third Party Advisory x_refsource_misc

https://danishcyberdefence.dk/blog/sierra_wireless

Vendor Advisory x_refsource_confirm

https://source.sierrawireless.com/resources/airlink/software_reference_docs/technical-bulletin/sierra-wireless-technical-bulletin---swi-psa-2020-002-cve-2020-8948/#sthash.ByZB8ifG.dpbs

Scores

CVSS v3 7.8

EPSS 0.0048

EPSS Percentile 37.3%

Attack Vector LOCAL

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

Details

CWE

CWE-59

Status published

Products (1)

sierrawireless/mobile_broadband_driver_package < 5043

Published Apr 15, 2020

Tracked Since Feb 18, 2026