CVE-2021-39295

highpriority · track · 30EPSS 0.013 · 70 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.28% (70th) EPSS

CVSS 7.5 · high

Is it mine?

3 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.9–10

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 3.9 · impact 3.6

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USprimary

affected products (3)

Products and version ranges known to be affected.

Intel Chipsetall versionscert_bundDEcpe:/a:intel:chipset_device_software:-
n/a n/a≤ n/aenisa_euvdEU
openbmc-project openbmc= 2.9.0nvdUScpe:2.3:a:openbmc-project:openbmc:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0376Intel Chipset: Mehrere SchwachstellenDeutsch2023-02-14csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Intel Chipset ausnutzen, um einen Denial of Service Angriff durchzuführen und seine Privilegien zu erweitern.
CVE-2021-392962021-09-09vendor · osvUS
In OpenBMC 2.9, crafted IPMI messages allow an attacker to bypass authentication and gain full control of the system.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund nvd NVD CVE.org MITRE

published 2023-04-15modified 2026-06-17

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+9608 more

references (19)

External citations — patches, advisories, analysis.

scry

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