What’s Vulnerable › Vulnerabilities

CVE-2013-4784

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 49.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-07-08 · updated 2026-06-16
• Weakness: CWE-287

Description

The HP Integrated Lights-Out (iLO) 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.

Affected products

• HP Integrated Lights-Out Bmc: all versions

References

• http://fish2.com/ipmi/cipherzero.html
• http://osvdb.org/show/osvdb/93040
• http://www.metasploit.com/modules/auxiliary/scanner/ipmi/ipmi_cipher_zero
• http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
• http://www.wired.com/threatlevel/2013/07/ipmi/
• https://exchange.xforce.ibmcloud.com/vulnerabilities/85569
• https://lists.gnu.org/archive/html/freeipmi-devel/2013-02/msg00013.html
• http://fish2.com/ipmi/cipherzero.html
• http://osvdb.org/show/osvdb/93040
• http://www.metasploit.com/modules/auxiliary/scanner/ipmi/ipmi_cipher_zero
• http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
• http://www.wired.com/threatlevel/2013/07/ipmi/

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