SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-22995

The combination of primitives offered by SMB and AFP in their default configuration allows the arbitrary writing of files.

CRITICAL 9.8EPSS 2.76%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.76%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The combination of primitives offered by SMB and AFP in their default configuration allows the arbitrary writing of files. By exploiting these combination of primitives, an attacker can execute arbitrary code.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.76% probability · 85th percentile
CISA KEV
Not listed
Weakness
CWE-59
Affected
westerndigital/my cloud pr2100 firmware · westerndigital/my cloud pr4100 firmware · westerndigital/my cloud ex4100 firmware · westerndigital/my cloud ex2 ultra firmware · westerndigital/my cloud mirror gen 2 firmware · westerndigital/my cloud dl2100 firmware · westerndigital/my cloud dl4100 firmware · westerndigital/my cloud ex2100 firmware · westerndigital/my cloud firmware · westerndigital/wd cloud firmware · westerndigital/my cloud home firmware · netatalk/netatalk · fedoraproject/fedora
Source
psirt@wdc.com

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