CVE-2021-46749 | BDVDB-2026-201809 Detail

AMDRyzen™ 2000 Series Desktop Processors “Pinnacle Ridge”

Description#

Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum calculation triggering a data abort, resulting in a potential denial of service.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-125 Out-of-bounds Read

References#

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001

Exploit#

No public exploit known

History#

Version 12023-05-09Record published in the CVE List.
Version 22025-01-28Most recent update recorded in the CVE List.

Published

Published: 2023-05-09
Last modified: 2025-01-28

Vendor information

Vendor: AMD
Product: Ryzen™ 2000 Series Desktop Processors “Pinnacle Ridge”

All AMD vulnerabilities

Score

7.5 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 49.8.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
various
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).