CVE-2019-18929
CVE-2019-18929 is a high-severity vulnerability in Western Digital My Cloud Ex2 Ultra Firmware with a CVSS 3.x base score of 8.8. 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-787.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.0
- EPSS exploit prediction: 3% (85th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Western Digital My Cloud Ex2 Ultra Firmware
- Published:
- Last modified:
Description
Western Digital My Cloud EX2 Ultra firmware 2.31.183 allows web users (including guest accounts) to remotely execute arbitrary code via a download_mgr.cgi stack-based buffer overflow.
Frequently asked questions
- What is CVE-2019-18929?
- Western Digital My Cloud EX2 Ultra firmware 2.31.183 allows web users (including guest accounts) to remotely execute arbitrary code via a download_mgr.cgi stack-based buffer overflow.
- How severe is CVE-2019-18929?
- CVE-2019-18929 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-18929 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-18929?
- CVE-2019-18929 affects Western Digital My Cloud Ex2 Ultra Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-18929?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2019-18929 published?
- CVE-2019-18929 was published on 2019-11-13 and last updated on 2026-06-17.
References
- https://github.com/DelspoN/CVE/blob/master/CVE-2019-18929/description.txt
- https://github.com/DelspoN/CVE/tree/master/CVE-2019-18929
Affected products (1)
- cpe:2.3:o:western_digital:my_cloud_ex2_ultra_firmware:2.31.195:*:*:*:*:*:*:*
More vulnerabilities in Western Digital My Cloud Ex2 Ultra Firmware
- CVE-2019-9951 — 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-2018-17153 — Critical (CVSS 9.8): It was discovered that the Western Digital My Cloud device before 2.30.196 is affected by an authentication bypass…
- CVE-2019-18931 — High (CVSS 8.8): Western Digital My Cloud EX2 Ultra firmware 2.31.195 allows a Buffer Overflow with Extended Instruction Pointer (EIP)…
- CVE-2019-18930 — High (CVSS 8.8): Western Digital My Cloud EX2 Ultra firmware 2.31.183 allows web users (including guest account) to remotely execute…
All CVEs affecting Western Digital My Cloud Ex2 Ultra Firmware →
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