Improper input validation in AMD 2nd Gen Epyc™
CVE-2021-46769
Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA copies, which can lead to code execution.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (55.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- AMD 2nd Gen Epyc™ — versions various
- AMD 3rd Gen Epyc™ — versions various
- AMD Epyc 7232p
- AMD Epyc 7232p Firmware — versions romepi_1.0.0.e
- AMD Epyc 7252
- AMD Epyc 7252 Firmware — versions romepi_1.0.0.e
- AMD Epyc 7262
- AMD Epyc 7262 Firmware — versions romepi_1.0.0.e
- AMD Epyc 7272
- AMD Epyc 7272 Firmware — versions romepi_1.0.0.e
Weakness classification (CWE)
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-46769?
- CVE-2021-46769 is a high-severity vulnerability in AMD 2nd Gen Epyc™, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2023-05-09.
- How severe is CVE-2021-46769?
- High severity. CVSS v3 base score is 8.8 out of 10.