CVE intelligence and bounded remediation

CVE-2023-22819 — Westerndigital My Cloud Pr4100 Firmware security vulnerability

Medium CVSS 4.9

An uncontrolled resource consumption vulnerability issue that could arise by sending crafted requests to a service to consume a large amount of memory, eventually resulting in the service being stopped and restarted was discovered in Western Digital My Cloud Home, My Cloud Home Duo, SanDisk ibi and Western Digital My Cloud OS 5 devices. This issue requires the attacker to already have root privileges in order to exploit this vulnerability. This issue affects My Cloud Home and My Cloud Home Duo: before 9.5.1-104; ibi: before 9.5.1-104; My Cloud OS 5: before 5.27.161.

Severity
Medium
CVSS
4.9 (3.1)
Published
2024-02-05
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-770, CWE-400

Affected products

  • westerndigital / my_cloud_pr4100_firmware
  • westerndigital / my_cloud_ex4100_firmware
  • westerndigital / my_cloud_ex2_ultra_firmware
  • westerndigital / my_cloud_mirror_g2_firmware
  • westerndigital / my_cloud_dl2100_firmware
  • westerndigital / my_cloud_dl4100_firmware

Showing 6 representative product identities from 12 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

Resource exhaustion and denial of service

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Identify attacker-influenced work factors including input size, nesting, compression, fan-out, regex cost, allocation, recursion, retries, and connection lifetime.
  • Map per-request and shared CPU, memory, disk, descriptor, thread, queue, and downstream-service limits.
  • Determine whether authentication, tenancy, quotas, and rate controls apply before expensive processing begins.

Remediate safely

  • Bound input size, nesting, expansion, work, concurrency, queue depth, retries, and execution time before resource-intensive processing.
  • Release resources on every success, error, cancellation, and timeout path and use backpressure instead of unbounded buffering.
  • Update affected components and add small deterministic tests that assert resource ceilings rather than exhausting a host.

Authoritative sources

Complete CVE record and remediation plan

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