CVE-2021-26346

MEDIUM
5.5
CVSS Score
Published: January 10, 2023 at 07:50 PM UTC
Updated: June 17, 2026 at 03:43 AM UTC
209 products affected across 1 vendorRyzen 5 5600U FirmwareRyzen 5 5600HS FirmwareRyzen 5 5600H Firmware

Using Ryzen 5000 Series by AMD?

Get instant alerts when new vulnerabilities affect Ryzen 5000 Series - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Failure to validate the integer operand in ASP (AMD Secure Processor) bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
amd-ryzen-3-3100 (same device)
All versions
amd-ryzen-3-3200g (same device)
All versions
amd-ryzen-3-3200u (same device)
All versions
amd-ryzen-3-3250c (same device)
All versions
amd-ryzen-3-3250u (same device)
All versions
amd-ryzen-3-3300g (same device)
All versions
amd-ryzen-3-3350u (same device)
All versions
amd-ryzen-3-3450u (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-190

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card