CVE-2023-20520

9.8CRITICAL

Key Information:

Vendor
AMD
Status
1st Gen AMD EPYC™
2nd Gen AMD EPYC™
3rd Gen AMD EPYC™
Vendor
CVE Published:
9 May 2023

Summary

Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return address causing a stack-based buffer overrun potentially leading to arbitrary code execution.

Affected Version(s)

1st Gen AMD EPYC™ x86 various

2nd Gen AMD EPYC™ x86 various

3rd Gen AMD EPYC™ x86 various

References

https://www.amd.com/en/corporate/product-security/bulleti...
vendor-advisory

EPSS Score

0% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database
.