CVE-2019-18929

HIGHNVD 8.88.8—

8.8

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.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 73.4%
KEV: Not listed

Published

November 13, 2019

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://github.com/DelspoN/CVE/blob/master/CVE-2019-18929/description.txt
cve@mitrehttps://github.com/DelspoN/CVE/tree/master/CVE-2019-18929
af854a3a-2127-422b-91ae-364da2661108https://github.com/DelspoN/CVE/blob/master/CVE-2019-18929/description.txt
af854a3a-2127-422b-91ae-364da2661108https://github.com/DelspoN/CVE/tree/master/CVE-2019-18929

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-787Out-of-bounds Write

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 22:45 UTCepss_batch
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2026-05-29 13:42 UTCepss_batch
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2026-05-27 11:52 UTCEG score recompute
2026-05-27 11:52 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch

Frequently asked(5)

What is CVE-2019-18929?

CVE-2019-18929 is a high vulnerability published on November 13, 2019. 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.

When was CVE-2019-18929 disclosed?

CVE-2019-18929 was first published in the National Vulnerability Database on November 13, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-18929 actively exploited?

CVE-2019-18929 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 73.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-18929?

CVE-2019-18929 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2019-18929?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-18929, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2019-18929

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-18929?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)