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    7 vulnerabilities by OpenBMC

    CVE-2026-16141 (GCVE-0-2026-16141)

    Vulnerability from nvd – Published: 2026-09-15 13:57 – Updated: 2026-09-15 14:59
    VLAI
    Title
    OpenBMC IPMI Authentication Bypass via Default userKey and Stale Challenge Value
    Summary
    OpenBMC's IPMI implementation, phosphor-net-ipmid, contains a logic flaw in which an unauthenticated client can force the RAKP Message 1 handler to return before it overwrites the authentication object's constructor defaults. The IPMI service then accepts a RAKP Message 3 whose HMAC is computed with the constant 20-byte 'userKey' initialized from the string '0penBmc' and an often-predictable 'bmcRandomNum'. Several downstream vendors implement phosphor-net-ipmid as their IPMI stack, such as NVIDIA and H3C.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-15 14:59 UTC
    CWE
    • CWE-798 - Use of Hard-coded Credentials
    • CWE-457 - Use of Uninitialized Variable
    Impacted products
    Vendor Product Version
    OpenBMC phosphor-net-ipmid Affected: 0 , ≤ ba6efc502e6b1fabb8ed1ca677ae5eedd64b6361 (git)
    Create a notification for this product.
    Date Public
    2026-09-15 14:00
    Show details on NVD website

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    CVE-2026-16140 (GCVE-0-2026-16140)

    Vulnerability from nvd – Published: 2026-09-15 13:57 – Updated: 2026-09-15 15:00
    VLAI
    Title
    OpenBMC IPMI Privilege Escalation via Retargeted RAKP 1
    Summary
    OpenBMC's IPMI implementation, phosphor-net-ipmid, is vulnerable to a logic flaw where the authorization context of an existing session can be replaced with a target account while still maintaining the original integrity and encryption keys. Several downstream vendors implement phosphor-net-ipmid as their IPMI stack, such as NVIDIA and H3C. This issue effectively allows for privilege escalation without re-authentication.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-15 15:00 UTC
    CWE
    • CWE-863 - Incorrect Authorization
    Impacted products
    Vendor Product Version
    OpenBMC phosphor-net-ipmid Affected: 0 , ≤ ba6efc502e6b1fabb8ed1ca677ae5eedd64b6361 (git)
    Create a notification for this product.
    Date Public
    2026-09-15 14:00
    Show details on NVD website

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    CVE-2024-41660 (GCVE-0-2024-41660)

    Vulnerability from nvd – Published: 2024-07-31 19:37 – Updated: 2024-07-31 20:16
    VLAI
    Title
    slpd-lite unauthenticated memory corruption
    Summary
    slpd-lite is a unicast SLP UDP server. Any OpenBMC system that includes the slpd-lite package is impacted. Installing this package is the default when building OpenBMC. Nefarious users can send slp packets to the BMC using UDP port 427 to cause memory overflow issues within the slpd-lite daemon on the BMC. Patches will be available in the latest openbmc/slpd-lite repository.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-07-31 20:14 UTC
    CWE
    • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
    References
    Impacted products
    Vendor Product Version
    openbmc slpd-lite Affected: all
    Create a notification for this product.
    openbmc-project slpd-lite Affected: 0 , ≤ * (custom)
        cpe:2.3:a:openbmc-project:slpd-lite:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-16141 (GCVE-0-2026-16141)

    Vulnerability from cvelistv5 – Published: 2026-09-15 13:57 – Updated: 2026-09-15 14:59
    VLAI
    Title
    OpenBMC IPMI Authentication Bypass via Default userKey and Stale Challenge Value
    Summary
    OpenBMC's IPMI implementation, phosphor-net-ipmid, contains a logic flaw in which an unauthenticated client can force the RAKP Message 1 handler to return before it overwrites the authentication object's constructor defaults. The IPMI service then accepts a RAKP Message 3 whose HMAC is computed with the constant 20-byte 'userKey' initialized from the string '0penBmc' and an often-predictable 'bmcRandomNum'. Several downstream vendors implement phosphor-net-ipmid as their IPMI stack, such as NVIDIA and H3C.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-15 14:59 UTC
    CWE
    • CWE-798 - Use of Hard-coded Credentials
    • CWE-457 - Use of Uninitialized Variable
    Impacted products
    Vendor Product Version
    OpenBMC phosphor-net-ipmid Affected: 0 , ≤ ba6efc502e6b1fabb8ed1ca677ae5eedd64b6361 (git)
    Create a notification for this product.
    Date Public
    2026-09-15 14:00
    Show details on NVD website

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    CVE-2026-16140 (GCVE-0-2026-16140)

    Vulnerability from cvelistv5 – Published: 2026-09-15 13:57 – Updated: 2026-09-15 15:00
    VLAI
    Title
    OpenBMC IPMI Privilege Escalation via Retargeted RAKP 1
    Summary
    OpenBMC's IPMI implementation, phosphor-net-ipmid, is vulnerable to a logic flaw where the authorization context of an existing session can be replaced with a target account while still maintaining the original integrity and encryption keys. Several downstream vendors implement phosphor-net-ipmid as their IPMI stack, such as NVIDIA and H3C. This issue effectively allows for privilege escalation without re-authentication.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-15 15:00 UTC
    CWE
    • CWE-863 - Incorrect Authorization
    Impacted products
    Vendor Product Version
    OpenBMC phosphor-net-ipmid Affected: 0 , ≤ ba6efc502e6b1fabb8ed1ca677ae5eedd64b6361 (git)
    Create a notification for this product.
    Date Public
    2026-09-15 14:00
    Show details on NVD website

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    CVE-2024-41660 (GCVE-0-2024-41660)

    Vulnerability from cvelistv5 – Published: 2024-07-31 19:37 – Updated: 2024-07-31 20:16
    VLAI
    Title
    slpd-lite unauthenticated memory corruption
    Summary
    slpd-lite is a unicast SLP UDP server. Any OpenBMC system that includes the slpd-lite package is impacted. Installing this package is the default when building OpenBMC. Nefarious users can send slp packets to the BMC using UDP port 427 to cause memory overflow issues within the slpd-lite daemon on the BMC. Patches will be available in the latest openbmc/slpd-lite repository.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-07-31 20:14 UTC
    CWE
    • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
    References
    Impacted products
    Vendor Product Version
    openbmc slpd-lite Affected: all
    Create a notification for this product.
    openbmc-project slpd-lite Affected: 0 , ≤ * (custom)
        cpe:2.3:a:openbmc-project:slpd-lite:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    VAR-201901-0300

    Vulnerability from variot - Updated: 2023-12-18 13:18

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    Show details on source website

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