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CVE-2023-21626Improper Authentication in HLOS.

Description

Cryptographic issue in HLOS due to improper authentication while performing key velocity checks using more than one key.

Timeline

  1. ID reserved

    By qualcomm

  2. · 8 months later

    Published

  3. · 15 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-2023-21626, by who scored it
Scored byCVSSScoreVector
qualcommCNA (assigner)3.1High7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
NVDNVD · Modified3.1High7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS (exploitation in 30 days)
0.11% · top 99% of all CVEs (13 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: High 7.1.

Affected products

  • Qualcomm, Inc. · Snapdragon

    • affected APQ8009
    • affected APQ8017
    • affected APQ8037
    • affected AQT1000
    • affected AR8035
    • affected CSRA6620
    • affected CSRA6640
    • affected CSRB31024
    • affected FSM10056
    • affected MDM8207
    • affected MDM9205
    • affected MDM9206
    • affected MDM9207
    • affected MDM9607
    • affected MDM9628
    • affected MSM8108
    • affected MSM8208
    • affected MSM8209
    • affected MSM8608
    • affected MSM8917
    • affected MSM8920
    • affected MSM8937
    • affected MSM8940
    • affected PM8937
    • affected QAM8295P
    • affected QCA4004
    • affected QCA4020
    • affected QCA6174A
    • affected QCA6310
    • affected QCA6320
    • affected QCA6335
    • affected QCA6390
    • affected QCA6391
    • affected QCA6420
    • affected QCA6421
    • affected QCA6426
    • affected QCA6430
    • affected QCA6431
    • affected QCA6436
    • affected QCA6564
    • and 145 more

References

References1

Sources

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

Badge for a README or a ticket

CVE-2023-21626 badge
[![CVE-2023-21626](https://cveledger.app/badge/CVE-2023-21626.svg)](https://cveledger.app/cve/CVE-2023-21626)

Record last updated .