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service623/udp

IPMI

IPMIBMCOut-of-Band Management

IPMI (Intelligent Platform Management Interface) is used for out-of-band server management. CIPHER 0 authentication bypass allows unauthenticated access.

Ports

PortProtocolDescription
623udpIPMI RMCP+
443tcpIPMI web interface

Fingerprints

Banner / ProbeExpected Response
nmap -sV -p <port> <target>Service banner and version info
nc -nv <target> <port>Raw banner grab

Key Files

PathDescription
/etc/passwdList of system users
/etc/shadowPassword hashes for local users
/etc/ssh/sshd_configSSH server configuration
~/.ssh/id_rsaSSH private key

Default Credentials

UsernamePasswordContext
adminadminGeneric admin account
rootrootGeneric root account

Known CVEs

IdentifierTypeDescription
AuthCIPHER 0 authentication bypass

Exploitation Primitives

TechniqueTool / CommandResult
Reconnmap -sV -sC -p- <target>Full port/service scan
Enumerationnmap --script <service>-* -p <port> <target>Service-specific NSE scripts

Notes

Always start with full port scan: `nmap -sV -sC -p- <target>`.

Check for default credentials before brute-forcing.

Use service-specific NSE scripts: `nmap --script <service>-* -p <port> <target>`.

Remember to check both IPv4 and IPv6 if applicable.

Seen on

ShodanCensysFOFAZoomEye

References