7.1

CVE-2026-21383: qualcomm, inc. snapdragon Reusing a Nonce, Key Pair in Encryption

CVSS: 7.1v3.1HighAnalyzed
Published 06-07-2026Last modified 08-07-2026
Open JSON

Vulnerability summary

CVE-2026-21383 is a high (CVSS 7.1) Reusing a Nonce, Key Pair in Encryption vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.10% chance of exploitation in the next 30 days, higher than 0.8% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.10%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 06-07-2026
    PublishedVulnerability first disclosed.
  2. 08-07-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.10%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

0.00 pp

From 0.10% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.10%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Qualcomm52 products
Qualcomm, inc.1 product
  • snapdragonFastConnect 6900 | FastConnect 7800 | LeMans_AU_LGIT | LeMansAU | Pandeiro | QAM8255P | QAM8397P | QAM8797P | QAMSRV1H | QAMSRV1M | QCA6595AU | QCA6696 | QCA6698AQ | QCA6797AQ | QCA8695AU | QDU1000 | QDU1110 | QDU1210 | QDX1010 | QDX1011 | QLN1083BD | QLN1086BD | QPA1083BD | QPA1086BD | Qualcomm Dragonwing X100 Accelerator Card | QXM1093 | QXM1094 | QXM1095 | QXM1096 | SA7255P | SA7775P | SA8255P | SA8620P | SA8770P | SA9000P | SAR1165P | SAR2130P | Snapdragon AR1+ Gen 1 Platform | SRV1H | SRV1M | SXR2230P | SXR2250P | WCD9380 | WCD9385 | WCN3950 | WCN7860 | WCN7861 | WSA8830 | WSA8832 | WSA8835 | XRV7209 | XRV9209

2 vendors · 53 products

References

1 links