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Openbmc CVE-2024-31916

HIGH
Authentication Bypass Using an Alternate Path or Channel (CWE-288)
2024-06-27 psirt@us.ibm.com
7.5
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Alternate path authentication
Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAI

IBM OpenBMC FW1050.00 through FW1050.10 BMCWeb HTTPS server component could disclose sensitive URI content to an unauthorized actor that bypasses authentication channels. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-288. IBM OpenBMC FW1050.00 through FW1050.10 BMCWeb HTTPS server component could disclose sensitive URI content to an unauthorized actor that bypasses authentication channels. IBM X-ForceID: 290026. Affected products include: Ibm Openbmc.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

DescriptionNVD

IBM OpenBMC FW1050.00 through FW1050.10 BMCWeb HTTPS server component could disclose sensitive URI content to an unauthorized actor that bypasses authentication channels. IBM X-ForceID: 290026.

Threat Intelligence Overview

EPSS Score
0.5%
Top 58% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.5%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:o:ibm:openbmc:*:*:*:*:*:*:*:*
CVE-2021-39296 CRITICAL POC
10.0 Sep 09

In OpenBMC 2.9, crafted IPMI messages allow an attacker to bypass authentication and gain full control of the system. Ra

CVE-2026-16140 HIGH
8.8 Sep 15

Privilege escalation in OpenBMC's phosphor-net-ipmid IPMI stack allows an attacker who already holds a valid low-privile

CVE-2020-14156 HIGH
8.8 Jun 15

user_channel/passwd_mgr.cpp in OpenBMC phosphor-host-ipmid before 2020-04-03 does not ensure that /etc/ipmi-pass has str

CVE-2026-16141 HIGH
8.1 Sep 15

An authentication bypass in OpenBMC's phosphor-net-ipmid IPMI stack lets a network attacker with no credentials complete

CVE-2024-35124 HIGH
7.5 Aug 13

A vulnerability in the combination of the OpenBMC's FW1050.00 through FW1050.10, FW1030.00 through FW1030.50, and FW1020

CVE-2022-3409 HIGH
7.5 Oct 27

A vulnerability in bmcweb of OpenBMC Project allows user to cause denial of service. Rated high severity (CVSS 7.5), thi

CVE-2022-2809 HIGH
7.5 Oct 27

A vulnerability in bmcweb of OpenBMC Project allows user to cause denial of service. Rated high severity (CVSS 7.5), thi

CVE-2026-18849 MEDIUM
6.8 Aug 19

Arbitrary code execution in IBM OpenBMC FW1060.00 through FW1060.80 is achievable via a path traversal flaw (CWE-22) in

CVE-2026-65199 MEDIUM
5.4 Oct 13

Incorrect privilege assignment in Huawei openUBMC causes the SNMP pseudo-identity group (special_users, including the SN

CVE-2026-7254 MEDIUM
5.3 May 27

Denial-of-service exposure in IBM OpenBMC firmware versions FW1110.00 through FW1110.11 allows unauthenticated remote at

CVE-2026-65200 LOW
3.5 Oct 13

Out-of-bounds memory reads in the openUBMC device-management process can be induced by a malicious or compromised device

CVE-2026-18857 LOW
3.4 Sep 24

A limited out-of-bounds memory read in the host-facing BMC firmware management service of IBM OpenBMC can be triggered b

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