# Insufficient verification of data authenticity in AMD Ryzen™ 3000 Series Desktop Processors and others

CVE record · `CVE-2023-20576`

- **Identifiers:** `CVE-2023-20576`
- **State:** Confirmed
- **Severity:** CVSS 7.7 High
- **Critical:** No
- **CNA:** AMD
- **Weakness (CWE):** [CWE-345](https://cwe.mitre.org/data/definitions/345.html)
- **Tags:** [CWE-345](https://agentprime.io/advisories/tag/cwe-345.md)
- **Technologies:** [AMD Ryzen™ 3000 Series Desktop Processors](https://agentprime.io/advisories/technology/amd-ryzentm-3000-series-desktop-processors.md) · [AMD Ryzen™ 5000 Series Desktop Processors](https://agentprime.io/advisories/technology/amd-ryzentm-5000-series-desktop-processors.md) · [AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-5000-series-desktop-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 7000 Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-7000-series-processors.md) · [AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-4000-series-desktop-processors-with-radeontm-graphics.md) · [AMD Ryzen™ Threadripper™ PRO 5000WX Processors](https://agentprime.io/advisories/technology/amd-ryzentm-threadrippertm-pro-5000wx-processors.md) · [AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-7020-series-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-6000-series-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-7035-series-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-7040-series-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 7045 Series Mobile Processors](https://agentprime.io/advisories/technology/amd-ryzentm-7045-series-mobile-processors.md) · [AMD Ryzen™ Embedded 5000](https://agentprime.io/advisories/technology/amd-ryzentm-embedded-5000.md) · [AMD Ryzen™ Embedded V3000](https://agentprime.io/advisories/technology/amd-ryzentm-embedded-v3000.md)
- **Published:** 2 Sept 2026
- **Updated:** 4 Sept 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: AMD) at 2 Sept 2026, 19:42 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: AMD. Product: AMD Ryzen™ 3000 Series Desktop Processors.
  - unaffected: `ComboAM4v2 1.2.0.B`
  - Other versions: affected
- Vendor: AMD. Product: AMD Ryzen™ 5000 Series Desktop Processors.
  - unaffected: `ComboAM4v2v 1.2.0.B`
  - Other versions: affected
- Vendor: AMD. Product: AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics.
  - unaffected: `ComboAM4v2 1.2.0.B`
  - Other versions: affected
- Vendor: AMD. Product: AMD Ryzen™ 7000 Series Processors.
  - unaffected: `ComboAM5 1.0.0.7b`
  - Other versions: affected
- Vendor: AMD. Product: AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics.
  - unaffected: `ComboAM4v2 1.2.0.B`
  - Other versions: affected
- Vendor: AMD. Product: AMD Ryzen™ Threadripper™ PRO 5000WX Processors.
  - unaffected: `ChagallWSPI-sWRX8 1.0.0.7`
  - Other versions: affected
- Vendor: AMD. Product: AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics.
  - unaffected: `MendocinoPI-FT6 1.0.0.6`
  - Other versions: affected
- Vendor: AMD. Product: AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics.
  - unaffected: `RembrandtPI-FP7 1.0.0.9b`
  - Other versions: affected
- Vendor: AMD. Product: AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics.
  - unaffected: `RembrandtPI-FP7 1.0.0.9b`
  - Other versions: affected
- Vendor: AMD. Product: AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics.
  - unaffected: `PhoenixPI-FP8-FP7 1.0.0.2`
  - Other versions: affected
- Vendor: AMD. Product: AMD Ryzen™ 7045 Series Mobile Processors.
  - unaffected: `DragonRangeFL1PI 1.0.0.3a`
  - Other versions: affected
- Vendor: AMD. Product: AMD Ryzen™ Embedded 5000.
  - unaffected: `EmbAM4PI 1.0.0.4`
  - Other versions: affected
- Vendor: AMD. Product: AMD Ryzen™ Embedded V3000.
  - unaffected: `EmbeddedPI-FP7r2 1.0.0.8`
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 7.7 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H`, from CNA (AMD)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0012, the 1st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 2 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2023-20576](https://www.cve.org/CVERecord?id=CVE-2023-20576)
- [NVD: CVE-2023-20576](https://nvd.nist.gov/vuln/detail/CVE-2023-20576)

### References from the CNA

- <https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7009.html>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2023-20576>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2023-20576/>. Everything for agents: <https://agentprime.io/llms.txt>.
