Insufficient input validation in the BMC firmware for some Intel(R) Server Boards, Server Systems and Compute Modules before version 2.47 m…

published 2021-02-17 5y ago modified 2026-06-17 4mo ago also EUVD-2020-4689

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits: 0; none known

Insufficient input validation in the BMC firmware for some Intel(R) Server Boards, Server Systems and Compute Modules before version 2.47 may allow an authenticated user to potentially enable escalation of privilege via local access.

Patch / fix

fixed in 1 links 1

intel bmc_firmware 2.47

intel.com/content/www/us/en/security-center/advisory/intel-sa-00434.… advisory

Is CVE-2020-12377 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

n/a Intel(R) Server Boards, Server Systems and Compute Modules

Classification

Weakness

CWE-20 Improper Input Validation

References

intel.com /content/www/us/en/security-center/advisory/intel-sa-00434.html
patch, vendor-advisory

Sources

CVE List CVE-2020-12377
NVD CVE-2020-12377

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.