Vulnerability in AMD Ryzen™ 5000 Series Processors With Radeon™ Graphics “Barcelo”
CVE-2021-46758
Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allow an attacker to read data in memory mapped beyond SPI flash resulting in a potential loss of availability and integrity.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (24.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- AMD Ryzen™ 5000 Series Processors With Radeon™ Graphics “Barcelo” — versions various
- AMD Ryzen™ 6000 Series Processors With Radeon™ Graphics "Rembrandt" — versions various
- AMD Ryzen™ 7030 Series Mobile Processors With Radeon™ Graphics “Barcelo-R” — versions various
- AMD Ryzen™ 7035 Series Processors With Radeon™ Graphics “Rembrandt-R” — versions various
- AMD Ryzen 3 4300u
- AMD Ryzen 3 4300u Firmware
- AMD Ryzen 3 5125c
- AMD Ryzen 3 5125c Firmware
- AMD Ryzen 3 5300g
- AMD Ryzen 3 5300ge
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-46758?
- CVE-2021-46758 is a medium-severity vulnerability in AMD Ryzen™ 5000 Series Processors With Radeon™ Graphics “Barcelo”. CVSS score: 6.1/10. Published 2023-11-14.
- How severe is CVE-2021-46758?
- Medium severity. CVSS v3 base score is 6.1 out of 10.