Buffer overflow in AMD Ryzen™ Embedded 5000
CVE-2021-46757
Insufficient checking of memory buffer in ASP Secure OS may allow an attacker with a malicious TA to read/write to the ASP Secure OS kernel virtual address space potentially leading to privilege escalation.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (7.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- AMD Ryzen™ Embedded 5000 — versions various
- AMD Ryzen™ Embedded V2000 — versions various
- AMD Ryzen Embedded 5600e
- AMD Ryzen Embedded 5600e Firmware
- AMD Ryzen Embedded 5800e
- AMD Ryzen Embedded 5800e Firmware
- AMD Ryzen Embedded 5900e
- AMD Ryzen Embedded 5900e Firmware
- AMD Ryzen Embedded 5950e
- AMD Ryzen Embedded 5950e Firmware
Weakness classification (CWE)
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-46757?
- CVE-2021-46757 is a high-severity vulnerability in AMD Ryzen™ Embedded 5000, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2024-02-13.
- How severe is CVE-2021-46757?
- High severity. CVSS v3 base score is 7.8 out of 10.