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Vulnerability record · CVE-2019-16649 · published 21 September 2019

CVE-2019-16649: Supermicro x11dai-n firmware improper authentication vulnerability

Supermicro · X11dai N Firmware

On Supermicro H11, H12, M11, X9, X10, and X11 products, a combination of encryption and authentication problems in the virtual media service allows capture of BMC credentials and data transferred over virtual media devices. Attackers can use captured credentials to connect virtual USB devices to the server managed by the BMC.

10.0 CVSS 3.1 Critical EPSS 0.93% · top 41.0% CWE-287 · Improper authenticationCWE-326 · Inadequate encryption strength
10.0CVSS 3.1 base score, v2 5.0
0.93%EPSS exploitation probability, 30 days
NoNot in CISA KEV
150Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

On Supermicro H11, H12, M11, X9, X10, and X11 products, a combination of encryption and authentication problems in the virtual media service allows capture of BMC credentials and data transferred over virtual media devices. Attackers can use captured credentials to connect virtual USB devices to the server managed by the BMC.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

150 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://eclypsium.com/2019/09/03/usbanywhere-bmc-vulnerability-opens-servers-to-remote-attack/ Third Party Advisory
https://github.com/eclypsium/USBAnywhere Third Party Advisory
https://www.supermicro.com/support/security_BMC_virtual_media.cfm Vendor Advisory
https://eclypsium.com/2019/09/03/usbanywhere-bmc-vulnerability-opens-servers-to-remote-attack/ Third Party Advisory
https://github.com/eclypsium/USBAnywhere Third Party Advisory
https://www.supermicro.com/support/security_BMC_virtual_media.cfm Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-16649), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.