Critical severity · published Sep 21, 2019
CVE-2019-16650
On Supermicro X10 and X11 products, a client's access privileges may be transferred to a different client that later has the same socket file descriptor number
10.0
CVSS
2.2%
EPSS
No
On KEV
Description
On Supermicro X10 and X11 products, a client's access privileges may be transferred to a different client that later has the same socket file descriptor number. In opportunistic circumstances, an attacker can simply connect to the virtual media service, and then connect virtual USB devices to the server managed by the BMC.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XF
X11dac Firmware · Supermicro
1.71.5 · source: NVD
XF
X11dai-n Firmware · Supermicro
1.71.5 · source: NVD
XF
X11ddw-l Firmware · Supermicro
1.71.5 · source: NVD
XF
X11ddw-nt Firmware · Supermicro
1.71.5 · source: NVD
XF
X11dgo-t Firmware · Supermicro
1.71.5 · source: NVD
XF
X11dgq Firmware · Supermicro
1.71.5 · source: NVD
XF
X11dpff-sn Firmware · Supermicro
1.71.5 · source: NVD
XF
X11dpfr-s Firmware · Supermicro
1.71.5 · source: NVD
XF
X11dpfr-sn Firmware · Supermicro
1.71.5 · source: NVD
XF
X11dpg-ot-cpu Firmware · Supermicro
1.71.5 · source: NVD
XF
X11dpg-qt Firmware · Supermicro
1.71.5 · source: NVD
XF
X11dpg-sn Firmware · Supermicro
1.71.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-16650
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-16650
Mitigation
https://eclypsium.com/2019/09/03/usbanywhere-bmc-vulnerability-opens-servers-to-remote-attack/
Third Party Advisory
https://github.com/eclypsium/USBAnywhere
Vendor Advisory
https://www.supermicro.com/support/security_BMC_virtual_media.cfm
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