High severity · published Jan 13, 2022
CVE-2022-22991
A malicious user on the same LAN could use DNS spoofing followed by a command injection attack to trick a NAS device into loading through an unsecured HTTP call
8.8
CVSS
1.3%
EPSS
No
On KEV
Description
A malicious user on the same LAN could use DNS spoofing followed by a command injection attack to trick a NAS device into loading through an unsecured HTTP call. Addressed this vulnerability by disabling checks for internet connectivity using HTTP.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MC
MY Cloud OS · Westerndigital
before 5.19.117 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-22991
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-22991
Vendor Advisory
https://www.westerndigital.com/support/product-security/wdc-22002-my-cloud-os5-firmware-5-19-117
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-077/
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