Description
Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.
Published: 2026-07-06
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

A static initialization vector is reused to wrap AES‑GCM keys, violating the requirement that each encryption operation use a unique nonce to preserve confidentiality. Reuse can allow an attacker who can influence the key‑wrapping routine to analyze ciphertext patterns or recover the wrapped key, representing a cryptographic weakness (CWE‑323).

Affected Systems

Qualcomm Snapdragon devices running the Snapdragon operating environment. No specific firmware or OS version numbers are provided in the advisory, so all affected Snapdragon releases that use the static IV for key wrapping may be vulnerable.

Risk and Exploitability

The CVSS score of 7.1 and an EPSS score of < 1% indicate a moderate severity but a low likelihood of active exploitation, and the issue is not listed in CISA KEV. Based on the description, it is inferred that an attacker would need to influence the key‑wrapping routine—potentially through privileged software or a remote code execution path that calls the encryption function—to exploit the weakness.

Generated by OpenCVE AI on July 31, 2026 at 14:22 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Check for a Qualcomm firmware or OS update that addresses the static IV reuse issue
  • If no update is available, disable or remove the key‑wrapping routine that uses a static IV, or replace it with an implementation that generates a unique nonce for each call
  • Implement monitoring or logging to detect any use of a static IV and restrict privileges of components that could invoke the vulnerable key‑wrapping routine

Generated by OpenCVE AI on July 31, 2026 at 14:22 UTC.

Tracking

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Advisories

No advisories yet.

History

Mon, 06 Jul 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 06 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Description Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.
Title Reusing a Nonce, Key Pair in Encryption in HLOS
Weaknesses CWE-323
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: qualcomm

Published:

Updated: 2026-07-08T03:56:37.495Z

Reserved: 2025-12-17T04:35:45.743Z

Link: CVE-2026-21383

cve-icon Vulnrichment

Updated: 2026-07-06T20:55:30.938Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-31T14:30:04Z

Weaknesses
  • CWE-323

    Reusing a Nonce, Key Pair in Encryption