Every CVE Search/ Get API key

CVE-2023-20576

Insufficient Verification of Data Authenticity in AGESA™ may allow an attacker to update SPI ROM...

7.7 High

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
High

Exploit likelihood

0.12%Unchanged since Sep 3, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.7

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.

Record
CVE-2023-20576
CVSS 3.1
7.7 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness
CWE-345
Updated
2026-11-02
EUVDEUVD-2023-60616 7.7

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.

Record
EUVD-2023-60616
CVSS 3.1
7.7 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-r5qj-42x4-3599 7.7

Insufficient Verification of Data Authenticity in AGESA™ may allow an attacker to update SPI ROM...

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.

Record
GHSA-r5qj-42x4-3599
CVSS 3.1
7.7 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness
CWE-345
Updated
2026-11-02
NVD 7.7

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.

Record
CVE-2023-20576
CVSS 3.1
7.7 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness
CWE-345
Updated
2026-11-02

Affected products

Show 1 moreShow less

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-20576 is a high vulnerability (CVSS 7.7) in Amd Ryzen™ 3000 Series Desktop Processors, published September 2, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.12%, the 1st percentile. No source names a fixed version.

References

MoveEnter Open