In OpenBMC 2.9, crafted IPMI messages allow an attacker to bypass authentication and gain full control of the system.
Priority MEDIUM 48CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
In OpenBMC 2.9, crafted IPMI messages allow an attacker to bypass authentication and gain full control of the system.
Why it matters now
EPSS 0.03035 87th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openbmc-project:openbmc:2.9.0:-:*:*:*:*:*:* | 2.9.0 | Vulnerable | OpenBMC Project |
- cpe:2.3:a:openbmc-project:openbmc:2.9.0:-:*:*:*:*:*:* Versions 2.9.0 Vulnerable ·OpenBMC Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-39296
References
More OpenBMC Project Openbmc vulnerabilities
- TI-2021-16668 In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to… CVSS 3.1HIGH 7.5
- TI-2022-03149 Unauthenticated out of bounds stack write in bmcweb CVSS 3.1HIGH 8.2
- TI-2022-02604 Unauthenticated out of bounds heap write in bmcweb CVSS 3.1HIGH 8.2
- TI-2020-11083 user_channel/passwd_mgr.cpp in OpenBMC phosphor-host-ipmid before 2020-04-03 does not… CVSS 3.1HIGH 8.8
- TI-2022-16175 Out-of-bounds read in OpenBMC CVSS 3.1HIGH 7.5
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences