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CVE-2023-21671

Improper Input Validation in Core

Critical9.3EPSS 0.15%
Published
Updated
Reserved
Assigned by
qualcomm

Description

Memory Corruption in Core during syscall for Sectools Fuse comparison feature.

Timeline

  1. ID reserved

    By qualcomm

  2. · 11 months later

    Published

  3. · 16 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-21671, by who scored it
Scored byCVSSScoreVector
qualcommCNA (assigner)3.1Critical9.3CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVDNVD · Modified3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.15% · top 96% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.3.

Weakness

Affected products

  • Qualcomm, Inc. · Snapdragon

    • affected FastConnect 6700
    • affected FastConnect 6900
    • affected QCA6391
    • affected QCM6490
    • affected QCS6490
    • affected QSM8350
    • affected Qualcomm Video Collaboration VC3 Platform
    • affected SD888
    • affected SM7315
    • affected SM7325P
    • affected Snapdragon 778G 5G Mobile Platform
    • affected Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
    • affected Snapdragon 780G 5G Mobile Platform
    • affected Snapdragon 782G Mobile Platform (SM7325-AF)
    • affected Snapdragon 7c+ Gen 3 Compute
    • affected Snapdragon 888 5G Mobile Platform
    • affected Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
    • affected WCD9370
    • affected WCD9375
    • affected WCD9380
    • affected WCD9385
    • affected WCN6740
    • affected WSA8830
    • affected WSA8835

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

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Record last updated .