CVE-2018-8935 : The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a back

The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in the ASIC, aka CHIMERA-HW.

Published 2018-03-22 14:29:01

Updated 2019-10-03 00:03:26

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2018-8935

AMD » Ryzen Pro Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_pro_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Pro » Version: N/A
AMD » Ryzen Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen » Version: N/A

EPSS FAQ

0.36%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 69 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
9.3	HIGH	AV:N/AC:M/Au:N/C:C/I:C/A:C	8.6	10.0	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
9.0	CRITICAL	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H	2.2	6.0	NIST
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Changed Confidentiality: High Integrity: High Availability: High

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