CVE-2021-26370

mediumpriority · track · 28EPSS 0.002 · 14 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.23% (14th) EPSS

CVSS 6.6 · medium

Is it mine?

51 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Improper validation of destination address in SVC_LOAD_FW_IMAGE_BY_INSTANCE and SVC_LOAD_BINARY_BY_ATTRIB in a malicious UApp or ABL may allow an attacker to overwrite arbitrary bootloader memory with SPI ROM contents resulting in a loss of integrity and availability.

cvss

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

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–7.1

v2.06.6mediumAV:L/AC:L/Au:N/C:N/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 9.2

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.2

v3.16.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimary

affected products (51)

Products and version ranges known to be affected.

AMD 2nd Gen AMD EPYC™unspecified → RomePI-SP3_1.0.0.Cenisa_euvdEU
AMD 3rd Gen AMD EPYC™unspecified → MilanPI-SP3_1.0.0.4enisa_euvdEU
amd epyc 7002 firmware< romepi-sp3_1.0.0.cnvdUScpe:2.3:o:amd:epyc_7002_firmware:*:*:*:*:*:*:*:*
amd epyc 7232p firmware< romepi-sp3_1.0.0.cnvdUScpe:2.3:o:amd:epyc_7232p_firmware:*:*:*:*:*:*:*:*
amd epyc 7252 firmware< romepi-sp3_1.0.0.cnvdUScpe:2.3:o:amd:epyc_7252_firmware:*:*:*:*:*:*:*:*
amd epyc 7262 firmware< romepi-sp3_1.0.0.cnvdUScpe:2.3:o:amd:epyc_7262_firmware:*:*:*:*:*:*:*:*
amd epyc 7272 firmware< romepi-sp3_1.0.0.cnvdUScpe:2.3:o:amd:epyc_7272_firmware:*:*:*:*:*:*:*:*
amd epyc 7282 firmware< romepi-sp3_1.0.0.cnvdUScpe:2.3:o:amd:epyc_7282_firmware:*:*:*:*:*:*:*:*
amd epyc 72f3 firmware< milanpi-sp3_1.0.0.4nvdUScpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:*
amd epyc 7302 firmware< romepi-sp3_1.0.0.cnvdUScpe:2.3:o:amd:epyc_7302_firmware:*:*:*:*:*:*:*:*
amd epyc 7302p firmware< romepi-sp3_1.0.0.cnvdUScpe:2.3:o:amd:epyc_7302p_firmware:*:*:*:*:*:*:*:*
amd epyc 7313 firmware< milanpi-sp3_1.0.0.4nvdUScpe:2.3:o:amd:epyc_7313_firmware:*:*:*:*:*:*:*:*
amd epyc 7313p firmware< milanpi-sp3_1.0.0.4nvdUScpe:2.3:o:amd:epyc_7313p_firmware:*:*:*:*:*:*:*:*
amd epyc 7343 firmware< milanpi-sp3_1.0.0.4nvdUScpe:2.3:o:amd:epyc_7343_firmware:*:*:*:*:*:*:*:*
amd epyc 7352 firmware< romepi-sp3_1.0.0.cnvdUScpe:2.3:o:amd:epyc_7352_firmware:*:*:*:*:*:*:*:*
amd epyc 7373x firmware< milanpi-sp3_1.0.0.4nvdUScpe:2.3:o:amd:epyc_7373x_firmware:*:*:*:*:*:*:*:*
amd epyc 73f3 firmware< milanpi-sp3_1.0.0.4nvdUScpe:2.3:o:amd:epyc_73f3_firmware:*:*:*:*:*:*:*:*
amd epyc 7402 firmware< romepi-sp3_1.0.0.cnvdUScpe:2.3:o:amd:epyc_7402_firmware:*:*:*:*:*:*:*:*
amd epyc 7402p firmware< romepi-sp3_1.0.0.cnvdUScpe:2.3:o:amd:epyc_7402p_firmware:*:*:*:*:*:*:*:*
amd epyc 7413 firmware< milanpi-sp3_1.0.0.4nvdUScpe:2.3:o:amd:epyc_7413_firmware:*:*:*:*:*:*:*:*

showing 20 of 51

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2022-05-10modified 2026-06-17

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+25188 more

references (4)

External citations — patches, advisories, analysis.

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