CVE-2025-21479

Incorrect Authorization in Graphics

HIGH
8.6
CVSS Score
Published: June 3, 2025 at 06:42 AM UTC
Updated: June 17, 2026 at 08:43 AM UTC
131 products affected across 1 vendorWCD9380WSA8835WSA8830

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Severity
HIGH8.6
Exploitation
CISA KEV
Exploit prediction
EPSS 0.8%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score0.8%

EPSS (Exploit Prediction Scoring System) estimates a 0.8% chance this CVE is exploited in the wild within the next 30 days — higher than 56% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Multiple Qualcomm chipsets contain an incorrect authorization vulnerability. This vulnerability allows for memory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of commands.

Required Action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Ransomware Use
Unknown
Added to KEV
Jun 3, 2025
Remediation Due
Jun 24, 2025
494 days overdue

Description

Memory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of commands.

Affected

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

All versions
All versions
qualcomm-fastconnect-6200 (same device)
All versions
qualcomm-fastconnect-6800 (same device)
All versions
All versions
qualcomm-qcm4490 (same device)
All versions
qualcomm-qcs4490 (same device)
All versions

Remediation

No guide yet

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

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

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

CVSS

8.6HIGHqualcomm
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-863

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