CVE-2021-39295
In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to the BMC...
In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to the BMC via the netipmid (IPMI lan+) interface.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.5
In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to the BMC via the netipmid (IPMI lan+) interface.
- Record
CVE-2021-39295- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
CVE List
7.5
In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to the BMC via the netipmid (IPMI lan+) interface.
- Record
CVE-2021-39295- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
EUVDEUVD-2021-25656
7.5
In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to the BMC via the netipmid (IPMI lan+) interface.
- Record
EUVD-2021-25656- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8gg3-qvw7-qmgm
7.5
In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to the BMC...
In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to the BMC via the netipmid (IPMI lan+) interface.
- Record
GHSA-8gg3-qvw7-qmgm- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
OSV
7.5
In OpenBMC 2.9, crafted IPMI messages allow an attacker to cause a denial of service to the BMC via the netipmid (IPMI lan+) interface.
- Record
CVE-2021-39295- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVCVE-2021-39296
10.0
In OpenBMC 2.9, crafted IPMI messages allow an attacker to bypass authentication and gain full control of the system.
- Record
CVE-2021-39296- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-39295 is a high vulnerability (CVSS 7.5) in Openbmc-project Openbmc, published September 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.28%, the 70th percentile. No source names a fixed version.
References
openbmc.org
github.com/openbmc/openbmc
github.com/openbmc/docs/blob/master/release/release-notes.md
github.com/openbmc/openbmc/issues/3811
github.com/google/security-research/security/advisories/GHSA-gg9x-v835-m48q
intel.com/content/www/us/en/security-center/advisory/intel-sa-00737.html
nvd.nist.gov/vuln/detail/CVE-2021-39295
github.com/advisories/GHSA-8gg3-qvw7-qmgm