7.1
HIGH
CVSS 3.1
CVE-2026-21383
Reusing a Nonce, Key Pair in Encryption in HLOS
Overview
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.
Details
INFO
Published Date :
July 6, 2026, 9:16 p.m.
Last Modified :
July 8, 2026, 5:16 a.m.
Remotely Exploit :
No
Source :
[email protected]
Impact
Affected Products
The following products are affected by CVE-2026-21383
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework
for assessing the severity of vulnerabilities in software and systems.
We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 2cfc7d3e-20d3-47ac-8db7-1b7285aff15f | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
Use a unique, randomly generated initialization vector for AES-GCM key wrapping.
- Ensure IV is unique for each AES-GCM encryption.
- Do not reuse initialization vectors.
- Generate IVs using a cryptographically secure random number generator.
References
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-21383.
| URL | Resource |
|---|---|
| https://docs.qualcomm.com/product/publicresources/securitybulletin/july-2026-bulletin.html | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-21383 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-21383
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-21383 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-21383 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 08, 2026
Action Type Old Value New Value Changed SSVC {'id': 'CVE-2026-21383', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-06T20:55:25.178549Z'} {'id': 'CVE-2026-21383', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-07T00:00:00+00:00'} -
Initial Analysis by [email protected]
Jul. 07, 2026
Action Type Old Value New Value Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:fastconnect_6900_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:fastconnect_6900:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:fastconnect_7800_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:fastconnect_7800:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:lemans_au_lgit_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:lemans_au_lgit:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:lemansau_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:lemansau:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:pandeiro_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:pandeiro:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qam8255p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qam8255p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qam8397p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qam8397p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qam8797p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qam8797p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qamsrv1h_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qamsrv1h:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qamsrv1m_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qamsrv1m:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6595au:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6696:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6698aq_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6698aq:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6797aq_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6797aq:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca8695au_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca8695au:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qdu1000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qdu1000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qdu1110_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qdu1110:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qdu1210_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qdu1210:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qdx1010_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qdx1010:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qdx1011_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qdx1011:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qln1083bd_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qln1083bd:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qln1086bd_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qln1086bd:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qpa1083bd_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qpa1083bd:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qpa1086bd_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qpa1086bd:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qualcomm_dragonwing_x100_accelerator_card_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qualcomm_dragonwing_x100_accelerator_card:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qxm1093_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qxm1093:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qxm1094_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qxm1094:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qxm1095_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qxm1095:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qxm1096_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qxm1096:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa7255p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa7255p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa7775p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa7775p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8255p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8255p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8620p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8620p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8770p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8770p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa9000p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa9000p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sar1165p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sar1165p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sar2130p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sar2130p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_ar1_gen_1_platform_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_ar1_gen_1_platform:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_ar1+_gen_1_platform_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_ar1+_gen_1_platform:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:srv1h_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:srv1h:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:srv1m_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:srv1m:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sxr2230p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sxr2230p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sxr2250p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sxr2250p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9380:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9385:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3950_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3950:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn7860_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn7860:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn7861_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn7861:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8830:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8832_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8832:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8835:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:xrv7209_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:xrv7209:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:xrv9209_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:xrv9209:-:*:*:*:*:*:*:* Added Reference Type Qualcomm, Inc.: https://docs.qualcomm.com/product/publicresources/securitybulletin/july-2026-bulletin.html Types: Vendor Advisory -
New CVE Received by [email protected]
Jul. 06, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Qualcomm, Inc.', 'product': 'Snapdragon', 'versions': [{'status': 'affected', 'version': 'FastConnect 6900'}, {'status': 'affected', 'version': 'FastConnect 7800'}, {'status': 'affected', 'version': 'LeMans_AU_LGIT'}, {'status': 'affected', 'version': 'LeMansAU'}, {'status': 'affected', 'version': 'Pandeiro'}, {'status': 'affected', 'version': 'QAM8255P'}, {'status': 'affected', 'version': 'QAM8397P'}, {'status': 'affected', 'version': 'QAM8797P'}, {'status': 'affected', 'version': 'QAMSRV1H'}, {'status': 'affected', 'version': 'QAMSRV1M'}, {'status': 'affected', 'version': 'QCA6595AU'}, {'status': 'affected', 'version': 'QCA6696'}, {'status': 'affected', 'version': 'QCA6698AQ'}, {'status': 'affected', 'version': 'QCA6797AQ'}, {'status': 'affected', 'version': 'QCA8695AU'}, {'status': 'affected', 'version': 'QDU1000'}, {'status': 'affected', 'version': 'QDU1110'}, {'status': 'affected', 'version': 'QDU1210'}, {'status': 'affected', 'version': 'QDX1010'}, {'status': 'affected', 'version': 'QDX1011'}, {'status': 'affected', 'version': 'QLN1083BD'}, {'status': 'affected', 'version': 'QLN1086BD'}, {'status': 'affected', 'version': 'QPA1083BD'}, {'status': 'affected', 'version': 'QPA1086BD'}, {'status': 'affected', 'version': 'Qualcomm Dragonwing X100 Accelerator Card'}, {'status': 'affected', 'version': 'QXM1093'}, {'status': 'affected', 'version': 'QXM1094'}, {'status': 'affected', 'version': 'QXM1095'}, {'status': 'affected', 'version': 'QXM1096'}, {'status': 'affected', 'version': 'SA7255P'}, {'status': 'affected', 'version': 'SA7775P'}, {'status': 'affected', 'version': 'SA8255P'}, {'status': 'affected', 'version': 'SA8620P'}, {'status': 'affected', 'version': 'SA8770P'}, {'status': 'affected', 'version': 'SA9000P'}, {'status': 'affected', 'version': 'SAR1165P'}, {'status': 'affected', 'version': 'SAR2130P'}, {'status': 'affected', 'version': 'Snapdragon AR1 Gen 1 Platform'}, {'status': 'affected', 'version': 'Snapdragon AR1+ Gen 1 Platform'}, {'status': 'affected', 'version': 'SRV1H'}, {'status': 'affected', 'version': 'SRV1M'}, {'status': 'affected', 'version': 'SXR2230P'}, {'status': 'affected', 'version': 'SXR2250P'}, {'status': 'affected', 'version': 'WCD9380'}, {'status': 'affected', 'version': 'WCD9385'}, {'status': 'affected', 'version': 'WCN3950'}, {'status': 'affected', 'version': 'WCN7860'}, {'status': 'affected', 'version': 'WCN7861'}, {'status': 'affected', 'version': 'WSA8830'}, {'status': 'affected', 'version': 'WSA8832'}, {'status': 'affected', 'version': 'WSA8835'}, {'status': 'affected', 'version': 'XRV7209'}, {'status': 'affected', 'version': 'XRV9209'}], 'platforms': ['Snapdragon Auto', 'Snapdragon CCW', 'Snapdragon Compute', 'Snapdragon Industrial IOT', 'Snapdragon Mobile'], 'defaultStatus': 'unaffected'}] 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. Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Added CWE CWE-323 Added Reference https://docs.qualcomm.com/product/publicresources/securitybulletin/july-2026-bulletin.html -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 06, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-21383', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-06T20:55:25.178549Z'}
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.