CVE-2021-46765
Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out...
Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service.
- Record
CVE-2021-46765- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List
Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service.
- Record
CVE-2021-46765- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2021-33421
Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service.
- Record
EUVD-2021-33421- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vfqw-535x-mpvj
Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out...
Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service.
- Record
GHSA-vfqw-535x-mpvj- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
Affected products
- amd ryzen 3100 firmware
- amd ryzen 3300x firmware
- amd ryzen 3500 firmware
- amd ryzen 3500x firmware
- amd ryzen 3600 firmware
- amd ryzen 3600x firmware
- amd ryzen 3600xt firmware
- amd ryzen 3800x firmware
- amd ryzen 3800xt firmware
- amd ryzen 3900 firmware
- amd ryzen 3900x firmware
- amd ryzen 3900xt firmware
Show 37 moreShow less
- amd ryzen 3950x firmware
- amd ryzen 5300g firmware
- amd ryzen 5300ge firmware
- amd ryzen 5500 firmware
- amd ryzen 5600 firmware
- amd ryzen 5600g firmware
- amd ryzen 5600ge firmware
- amd ryzen 5600x firmware
- amd ryzen 5700g firmware
- amd ryzen 5700ge firmware
- amd ryzen 5700x firmware
- amd ryzen 5800 firmware
- amd ryzen 5800x3d firmware
- amd ryzen 5800x firmware
- amd ryzen 5900 firmware
- amd ryzen 5900x firmware
- amd ryzen 5945wx firmware
- amd ryzen 5950x firmware
- amd ryzen 5955wx firmware
- amd ryzen 5965wx firmware
- amd ryzen 5975wx firmware
- amd ryzen 5995wx firmware
- amd ryzen 6600h firmware
- amd ryzen 6600hs firmware
- amd ryzen 6600u firmware
- amd ryzen 6800h firmware
- amd ryzen 6800hs firmware
- amd ryzen 6800u firmware
- amd ryzen 6900hs firmware
- amd ryzen 6900hx firmware
- amd ryzen 6980hs firmware
- amd ryzen 6980hx firmware
- amd ryzen™ 3000 series mobile processors with radeon™ graphics “renoir”
- amd ryzen™ 5000 series desktop processor with radeon™ graphics “cezanne” am4
- amd ryzen™ 5000 series mobile processors with radeon™ graphics “cezanne”
- amd ryzen™ 5000 series mobile processors with radeon™ graphics “lucienne”
- amd ryzen™ 6000 series mobile processors "rembrandt"
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-46765 is a high vulnerability (CVSS 7.5) in Amd Ryzen 3100 Firmware, published May 9, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 49th percentile. No source names a fixed version.