CVE-2020-16839

HIGHNVD 7.57.5—

7.5

On Crestron DM-NVX-DIR, DM-NVX-DIR80, and DM-NVX-ENT devices before the DM-XIO/1-0-3-802 patch, the password can be changed by sending an unauthenticated WebSocket request.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 46.4%
KEV: Not listed

Published

July 30, 2021

Last Modified

November 21, 2024

References (7)

cve@mitrehttps://support.crestron.com
cve@mitrehttps://www.crestron.com/Software-Firmware/Firmware/DigitalMedia/DM-XIO/1-0-3-802
cve@mitrehttps://www.security.crestron.com
nvd@nisthttps://www.crestron.com/Security/Security-at-Crestron
af854a3a-2127-422b-91ae-364da2661108https://support.crestron.com
af854a3a-2127-422b-91ae-364da2661108https://www.crestron.com/Software-Firmware/Firmware/DigitalMedia/DM-XIO/1-0-3-802
af854a3a-2127-422b-91ae-364da2661108https://www.security.crestron.com

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 19× 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.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 12:57 UTCEG score recompute
2026-05-26 12:57 UTCGHSA enrichment
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:48 UTCepss_batch

Frequently asked(5)

What is CVE-2020-16839?

CVE-2020-16839 is a high vulnerability published on July 30, 2021. On Crestron DM-NVX-DIR, DM-NVX-DIR80, and DM-NVX-ENT devices before the DM-XIO/1-0-3-802 patch, the password can be changed by sending an unauthenticated WebSocket request.

When was CVE-2020-16839 disclosed?

CVE-2020-16839 was first published in the National Vulnerability Database on July 30, 2021, 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-2020-16839 actively exploited?

CVE-2020-16839 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 46.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-16839?

CVE-2020-16839 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2020-16839?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-16839, 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.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-16839

Explore →

Is Your Infrastructure Affected by CVE-2020-16839?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2020-16839

📅 Published

🔄 Last Modified

🔗 References (7)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-16839?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (7)

Frequently asked(5)

Related CVEs(same CWE)