CVE-2021-39295 json
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.
published 2023-04-15 3 y ago modified 2026-06-17 4 mo ago also EUVD-2021-25656
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
1.28% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/google/security-research/security/advisories/GHSA-gg9x-v835-m48q referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
github.com
/google/security-research/security/advisories/GHSA-gg9x-v835-m48q
exploit, third-party-advisory
-
openbmc.org
product
-
github.com
/openbmc/openbmc
product
-
github.com
/openbmc/docs/blob/master/release/release-notes.md
release-notes
-
github.com
/openbmc/openbmc/issues/3811
not-applicable
-
intel.com
/content/www/us/en/security-center/advisory/intel-sa-00737.html
third-party-advisory
Sources
- CVE List CVE-2021-39295
- NVD CVE-2021-39295
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