CVE-2023-20577
A heap overflow in SMM module may allow an attacker with access to a second vulnerability that enables writing to SPI flash, potentially resulting in arbitrary code execution.
Scoring
- Severity
- HIGH
- CVSS base score
- 7.4
- CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS probability
- 0.16%
- CWE
- CWE-121
- Published
- 2026-09-02
- Last modified
- 2026-09-04
Affected products
- AMD 2nd Gen AMD EPYC™ Processors
- AMD 3rd Gen AMD EPYC™ Processors
- AMD 4th Gen AMD EPYC™ Processors
- AMD AMD Instinct™ MI300A
- AMD AMD Ryzen™ 3000 Series Desktop Processors
- AMD AMD Ryzen™ 3000 Series Desktop Processors
- AMD AMD Ryzen™ 5000 Series Desktop Processors
- AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics
Weakness type
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