CVE-2021-46768
CVE-2021-46768 is a medium-severity vulnerability in Amd Romepi Firmware with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (7th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Amd Romepi Firmware
- Published:
- Last modified:
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.
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 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2021-46768 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-46768?
- CVE-2021-46768 primarily affects Amd Romepi Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-46768?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-46768 published?
- CVE-2021-46768 was published on 2023-01-11 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:o:amd:romepi_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:milanpi_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Amd Romepi Firmware
- CVE-2023-20522 — High (CVSS 7.5): Insufficient input validation in ASP may allow an attacker with a malicious BIOS to potentially cause a denial of…
- CVE-2021-46779 — High (CVSS 7.1): Insufficient input validation in SVC_ECC_PRIMITIVE system call in a compromised user application or ABL may allow an…
- CVE-2021-46767 — Medium (CVSS 6.1): Insufficient input validation in the ASP may allow an attacker with physical access, unauthorized write access to…
- CVE-2021-26407 — Medium (CVSS 5.5): A randomly generated Initialization Vector (IV) may lead to a collision of IVs with the same key potentially resulting…
- CVE-2022-23813 — Medium (CVSS 5.3): The software interfaces to ASP and SMU may not enforce the SNP memory security policy resulting in a potential loss of…
All CVEs affecting Amd Romepi Firmware →
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