High severity · published Apr 15, 2020
CVE-2020-8948
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…
7.8
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MB
Mobile Broadband Driver Package · Sierrawireless
before 5043 · source: NVD
Affected product
MB
Mobile Broadband Driver Package
Sierrawireless
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8948
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8948
Third Party Advisory
https://danishcyberdefence.dk/blog/sierra_wireless
Vendor Advisory
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