SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-5898

A local user on the Windows client system can send crafted DeviceIoControl requests to \\.\urvpndrv device causing the Windows kernel to crash.

MEDIUM 5.5EPSS 0.26%

Does this matter?

Lower severity and a low EPSS score (0.26%). Track it; it rarely justifies an emergency change on its own.

Description

In versions 7.1.5-7.1.9, BIG-IP Edge Client Windows Stonewall driver does not sanitize the pointer received from the userland. A local user on the Windows client system can send crafted DeviceIoControl requests to \\.\urvpndrv device causing the Windows kernel to crash.

CVSS 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0.26% probability · 18th percentile
CISA KEV
Not listed
Affected
f5/big-ip access policy manager · f5/big-ip access policy manager client
Source
f5sirt@f5.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.