CVE-2023-20522
Insufficient input validation in ASP may allow an attacker with a malicious BIOS to potentially...
Insufficient input validation in ASP may allow an attacker with a malicious BIOS to potentially cause 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 malicious BIOS to potentially cause a denial of service.
- Record
CVE-2023-20522- 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-20
- Updated
- 2026-11-02
CVE List
Insufficient input validation in ASP may allow an attacker with a malicious BIOS to potentially cause a denial of service.
- Record
CVE-2023-20522- 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-20
- Updated
- 2026-11-02
EUVDEUVD-2023-24701
Insufficient input validation in ASP may allow an attacker with a malicious BIOS to potentially cause a denial of service.
- Record
EUVD-2023-24701- 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
- 2026-11-02
GitHub AdvisoriesGHSA-4434-6fgr-q9c4
Insufficient input validation in ASP may allow an attacker with a malicious BIOS to potentially...
Insufficient input validation in ASP may allow an attacker with a malicious BIOS to potentially cause a denial of service.
- Record
GHSA-4434-6fgr-q9c4- 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-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-20522 is a high vulnerability (CVSS 7.5) in Amd 2nd Gen Epyc, published January 10, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.63%, the 50th percentile. No source names a fixed version.