CVE-2021-46768
MEDIUMCVSS 5.5/10EPSS 0.17%
Last modified
CVE-2021-46768 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory reads within the ASP boot loader, potentially leading to a denial of service. . EPSS estimates a 0.17% chance of exploitation in the next 30 days.
Description
Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory reads within the ASP boot loader, potentially leading to a denial of service.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Amd | Romepi Firmware | < 1.0.0.d |
| Amd | Milanpi Firmware | < 1.0.0.5 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-46768?
Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory reads within the ASP boot loader, potentially leading to a denial of service.
How severe is CVE-2021-46768?
CVE-2021-46768 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2021-46768?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
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- CVE-2021-46765Insufficient input validation in ASP may allow an attacker w…7.5
- CVE-2021-46766Improper clearing of sensitive data in the ASP Bootloader ma…5.5
- CVE-2021-46767Insufficient input validation in the ASP may allow an attack…6.1
- CVE-2021-46769Insufficient syscall input validation in the ASP Bootloader …8.8
- CVE-2021-46771Insufficient validation of addresses in AMD Secure Processor…7.8
- CVE-2021-46772Insufficient input validation in the ABL may allow a privile…3.9
- CVE-2021-46773Insufficient input validation in ABL may enable a privileged…8.8
- CVE-2021-46774Insufficient DRAM address validation in System Management Un…7.5
- CVE-2021-46775Improper input validation in ABL may enable an attacker with…6.8
Are you affected by CVE-2021-46768?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
