Is CVE-2022-22989 actively exploited?

No active exploitation of CVE-2022-22989 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-22989 be exploited remotely?

Yes. CVE-2022-22989 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-22989?

CVE-2022-22989 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-22989

CWE-121Published: January 13, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

My Cloud OS 5 was vulnerable to a pre-authenticated stack overflow vulnerability on the FTP service that could be exploited by unauthenticated attackers on the network. Addressed the vulnerability by adding defenses against stack overflow issues.

NVD Source

Technical Analysis

CVE-2022-22989 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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 9.8.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/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