CVE-2020-16839
CVE-2020-16839 is a high-severity vulnerability in Crestron Dm-nvx-dir-80 Firmware with a CVSS 3.x base score of 7.5. 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-287.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (64th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Crestron Dm-nvx-dir-80 Firmware
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2020-16839?
- CVE-2020-16839 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2020-16839 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-16839?
- CVE-2020-16839 primarily affects Crestron Dm-nvx-dir-80 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-16839?
- 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-2020-16839 published?
- CVE-2020-16839 was published on 2021-07-30 and last updated on 2026-06-17.
References
- https://support.crestron.com
- https://www.crestron.com/Software-Firmware/Firmware/DigitalMedia/DM-XIO/1-0-3-802
- https://www.security.crestron.com
- https://www.crestron.com/Security/Security-at-Crestron
Affected products (3)
- cpe:2.3:o:crestron:dm-nvx-dir-80_firmware:1.0.1.788:*:*:*:*:*:*:*
- cpe:2.3:o:crestron:dm-nvx-dir-160_firmware:1.0.1.788:*:*:*:*:*:*:*
- cpe:2.3:o:crestron:dm-nvx-dir-ent_firmware:1.0.1.788:*:*:*:*:*:*:*
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