On Supermicro H11, H12, M11, X9, X10, and X11 products, a combination of encryption and authentication problems in the virtual media servic…

published 2019-09-21 7y ago modified 2026-06-17 4mo ago also EUVD-2019-7215

cvss: 10.0; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits: 0; none known

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.

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Exploit prediction

0.93% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	10.0	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness

CWE-287 Improper Authentication
CWE-326 Inadequate Encryption Strength
CWE-522 Insufficiently Protected Credentials

References

supermicro.com /support/security_BMC_virtual_media.cfm
vendor-advisory
eclypsium.com /2019/09/03/usbanywhere-bmc-vulnerability-opens-servers-to-remote-attack/
third-party-advisory
github.com /eclypsium/USBAnywhere
third-party-advisory

Sources

CVE List CVE-2019-16649
NVD CVE-2019-16649

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