CVE-2021-26327
Medium
Description
Insufficient validation of guest context in the SNP Firmware could lead to a potential loss of guest confidentiality.
SeverityMedium
CVSS5.5
Exploit probability—
ProductAmd Epyc 7003 Firmware
PublishedNov 16, 2021
First seenNov 16, 2021
Weakness typeCWE-20Improper input validation
How to fix
Update
- amd epyc_7003_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_72f3_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_7313_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_7313p_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_7343_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_73f3_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_7413_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_7443_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_7443p_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_7453_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_74f3_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_7513_firmwaremilanpi-sp3_1.0.0.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| amd epyc_7003_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_72f3_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7313_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7313p_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7343_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_73f3_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7413_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7443_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7443p_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7453_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_74f3_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7513_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7543_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7543p_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_75f3_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7643_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7663_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7713_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7713p_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7763_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.