Vulnerability · Published Sep 2, 2026 · Assigned by AMD
CVE-2023-20576
High 7.7
In plain English
A high-severity insufficient verification of data authenticity in AMD Ryzen™ 3000 Series Desktop Processors from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).
Severity (CVSS 3.1)7.7High
Exploit odds (30 days)0.1%top 98.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insufficient Verification of Data Authenticity in AGESA™ may allow an attacker to update SPI ROM data potentially resulting in denial of service or privilege escalation.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | AMD Ryzen™ 3000 Series Desktop Processors | see references |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors | see references |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics | see references |
| AMD | AMD Ryzen™ 7000 Series Processors | see references |
| AMD | AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics | see references |
| AMD | AMD Ryzen™ Threadripper™ PRO 5000WX Processors | see references |
| AMD | AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics | see references |
| AMD | AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics | see references |
| AMD | AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics | see references |
| AMD | AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics | see references |
| AMD | AMD Ryzen™ 7045 Series Mobile Processors | see references |
| AMD | AMD Ryzen™ Embedded 5000 | see references |
| AMD | AMD Ryzen™ Embedded V3000 | see references |
Weakness: CWE-345 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H