Auth bypass in Crestron Dm-Nvx-Dir-160
CVE-2020-16839
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.
Vulnerability class: Broken Authentication
EPSS: 0.012 (64.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Crestron Dm-nvx-dir-160
- Crestron Dm-nvx-dir-160_firmware — versions 1.0.1.788
- Crestron Dm-nvx-dir-80
- Crestron Dm-nvx-dir-80_firmware — versions 1.0.1.788
- Crestron Dm-nvx-dir-ent
- Crestron Dm-nvx-dir-ent_firmware — versions 1.0.1.788
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Permissions Required, x_refsource_CONFIRM)
- cve@mitre.org (x_refsource_CONFIRM, Broken Link)
- nvd@nist.gov (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-16839?
- CVE-2020-16839 is a high-severity vulnerability in Crestron Dm-Nvx-Dir-160, classified under Improper Authentication. CVSS score: 7.5/10. Published 2021-07-30.
- How severe is CVE-2020-16839?
- High severity. CVSS v3 base score is 7.5 out of 10.