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Vulnerability record · CVE-2013-4782 · published 8 July 2013

CVE-2013-4782: Supermicro bmc improper authentication vulnerability

Supermicro · Bmc

The Supermicro BMC implementation allows remote attackers to bypass authentication and execute arbitrary IPMI commands by using cipher suite 0 (aka cipher zero) and an arbitrary password.

10.0 CVSS 2.0 High EPSS 26% · top 2.1% CWE-287 · Improper authentication
10.0CVSS 2.0 base score
26%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

Description

The Supermicro BMC implementation allows remote attackers to bypass authentication and execute arbitrary IPMI commands by using cipher suite 0 (aka cipher zero) and an arbitrary password.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

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

References

LinkTags
http://fish2.com/ipmi/cipherzero.html
http://osvdb.org/show/osvdb/93038
http://www.metasploit.com/modules/auxiliary/scanner/ipmi/ipmi_cipher_zero
http://www.wired.com/threatlevel/2013/07/ipmi/
https://lists.gnu.org/archive/html/freeipmi-devel/2013-02/msg00013.html
http://fish2.com/ipmi/cipherzero.html
http://osvdb.org/show/osvdb/93038
http://www.metasploit.com/modules/auxiliary/scanner/ipmi/ipmi_cipher_zero
http://www.wired.com/threatlevel/2013/07/ipmi/
https://lists.gnu.org/archive/html/freeipmi-devel/2013-02/msg00013.html

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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-2013-4782), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.