How severe is CVE-2020-24473?

CVE-2020-24473 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-24473 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-24473?

CVE-2020-24473 affects Intel Baseboard Management Controller Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-24473?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-24473 published?

CVE-2020-24473 was published on 2021-06-09 and last updated on 2026-06-17.

CVE-2020-24473

CVE-2020-24473 is a high-severity vulnerability in Intel Baseboard Management Controller Firmware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Intel Baseboard Management Controller Firmware
Published: 2021-06-09
Last modified: 2026-06-17

Description

Out of bounds write in the BMC firmware for some Intel(R) Server Boards, Server Systems and Compute Modules before version 2.48.ce3e3bd2 may allow an authenticated user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2020-24473?: Out of bounds write in the BMC firmware for some Intel(R) Server Boards, Server Systems and Compute Modules before version 2.48.ce3e3bd2 may allow an authenticated user to potentially enable escalation of privilege via local access.
How severe is CVE-2020-24473?: CVE-2020-24473 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-24473 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-24473?: CVE-2020-24473 affects Intel Baseboard Management Controller Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-24473?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-24473 published?: CVE-2020-24473 was published on 2021-06-09 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00476.html

Affected products (1)

cpe:2.3:o:intel:baseboard_management_controller_firmware:*:*:*:*:*:*:*:*

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