The Supermicro BMC implementation allows remote attackers to bypass authentication and execute arbitrary IPMI commands by using cipher suit…

published 2013-07-08 13y ago modified 2026-06-16 4mo ago also EUVD-2013-4628

cvss: 10.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 26.2%; EPSS 26.2% chance of exploitation in 30 days, percentile 98%
public exploits: 1; Metasploit

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.

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Timeline

2013-06-20 First public exploit (Metasploit auxiliary/scanner/ipmi/ipmi_cipher_zero)
2013-07-08 Published

Exploit prediction

26.21% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

Metasploit auxiliary/scanner/ipmi/ipmi_cipher_zero IPMI 2.0 Cipher Zero Authentication Bypass Scanner metasploit auxiliary, normal rank, 2013-06-20

CVSS scores

assigned by	version	score	vector
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-287 Improper Authentication

References

Sources

CVE List CVE-2013-4782
NVD CVE-2013-4782

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