HOMEVULNERABILITIESCVE-2022-22990
HIGH

CVE-2022-22990

CWE-287Published: January 13, 2022· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

A limited authentication bypass vulnerability was discovered that could allow an attacker to achieve remote code execution and escalate privileges on the My Cloud devices. Addressed this vulnerability by changing access token validation logic and rewriting rule logic on PHP scripts.

NVD Source

Technical Analysis

CVE-2022-22990 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

westerndigital11 product(s)
my cloud osmy cloudmy cloud dl2100my cloud dl4100my cloud ex2 ultramy cloud ex2100my cloud ex4100my cloud mirror gen 2my cloud pr2100my cloud pr4100wd cloud
Source: NVD CPE · 11 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (6)

Quick Facts

CVE IDCVE-2022-22990
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-287
CISA KEVNo
Affected1 vendor(s)
PublishedJan 13, 2022

Related CVEs (CWE-287)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2022-22990 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.