How severe is CVE-2023-22819?

CVE-2023-22819 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-22819 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22819?

CVE-2023-22819 primarily affects Westerndigital My Cloud Pr4100 Firmware. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-22819?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-22819 have an EU (EUVD) identifier?

Yes. CVE-2023-22819 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-26931.

When was CVE-2023-22819 published?

CVE-2023-22819 was published on 2024-02-05 and last updated on 2026-06-17.

CVE-2023-22819

CVE-2023-22819 is a medium-severity vulnerability in Westerndigital My Cloud Pr4100 Firmware with a CVSS 3.x base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-26931
Weakness: CWE-400
Affected product: Westerndigital My Cloud Pr4100 Firmware
Published: 2024-02-05
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-22819?: 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.
How severe is CVE-2023-22819?: CVE-2023-22819 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-22819 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22819?: CVE-2023-22819 primarily affects Westerndigital My Cloud Pr4100 Firmware. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-22819?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-22819 have an EU (EUVD) identifier?: Yes. CVE-2023-22819 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-26931.
When was CVE-2023-22819 published?: CVE-2023-22819 was published on 2024-02-05 and last updated on 2026-06-17.

References

https://www.westerndigital.com/support/product-security/wdc-24001-western-digital-my-cloud-os-5-my-cloud-home-duo-and-sandisk-ibi-firmware-update

Affected products (12)

cpe:2.3:o:westerndigital:my_cloud_pr4100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:westerndigital:my_cloud_ex4100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:westerndigital:my_cloud_ex2_ultra_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:westerndigital:my_cloud_mirror_g2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:westerndigital:my_cloud_dl2100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:westerndigital:my_cloud_dl4100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:westerndigital:my_cloud_ex2100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:westerndigital:my_cloud_glacier_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:westerndigital:wd_cloud_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:westerndigital:my_cloud_home_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:westerndigital:my_cloud_home_duo_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:westerndigital:sandisk_ibi_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Westerndigital My Cloud Pr4100 Firmware

CVE-2022-36331 — Critical (CVSS 10.0): Western Digital My Cloud, My Cloud Home, My Cloud Home Duo, and SanDisk ibi devices were vulnerable to an impersonation…
CVE-2022-22995 — Critical (CVSS 10.0): The combination of primitives offered by SMB and AFP in their default configuration allows the arbitrary writing of…
CVE-2019-9950 — Critical (CVSS 9.8): Western Digital My Cloud, My Cloud Mirror Gen2, My Cloud EX2 Ultra, My Cloud EX2100, My Cloud EX4100, My Cloud DL2100,…
CVE-2017-17560 — Critical (CVSS 9.8): An issue was discovered on Western Digital MyCloud PR4100 2.30.172 devices. The web administration component,…
CVE-2019-9949 — High (CVSS 8.8): Western Digital My Cloud Cloud, Mirror Gen2, EX2 Ultra, EX2100, EX4100, DL2100, DL4100, PR2100 and PR4100 before…
CVE-2022-22999 — High (CVSS 8.2): Western Digital My Cloud devices are vulnerable to a cross side scripting vulnerability that can allow a malicious user…

All CVEs affecting Westerndigital My Cloud Pr4100 Firmware →

Other CWE-400 (Uncontrolled Resource Consumption) vulnerabilities

CVE-2026-46775 — Critical (CVSS 9.9): Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0.…
CVE-2025-61303 — Critical (CVSS 9.8): Hatching Triage Sandbox Windows 10 build 2004 (2025-08-14) and Windows 10 LTSC 2021(2025-08-14) contains a…
CVE-2025-43193 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7,…
CVE-2025-24269 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to…
CVE-2025-24264 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4,…
CVE-2025-24260 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.5,…

Browse all CWE-400 (Uncontrolled Resource Consumption) vulnerabilities →