CVE-2021-30263

mediumpriority · track · 31EPSS 0.001 · 4 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.15% (4th) EPSS

CVSS 4.4 · medium

Is it mine?

28 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-28

Possible race condition can occur due to lack of synchronization mechanism when On-Device Logging node open twice concurrently in Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.4–7.8

v2.04.4mediumAV:L/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 3.4 · impact 6.4

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · product-security@qualcomm.comexploitability 0.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USprimary

affected products (28)

Products and version ranges known to be affected.

Qualcomm, Inc. Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music≤ AQT1000, AR8031, AR8035, CSRA6620, CSRA6640, QCA6391, QCA6420, QCA6430, QCA8337, QCM6125, QCS405, QCS6125, SD 8C, SD 8CX, SD855, SDX55, SDX55M, WCD9335, WCD9340, WCD9341, WCD9370, WCN3950, WCN3980, WCN3998, WCN3999, WSA8810, WSA8815enisa_euvdEU
qualcomm aqt1000 firmwareall versionsnvdUScpe:2.3:o:qualcomm:aqt1000_firmware:*:*:*:*:*:*:*:*
qualcomm ar8031 firmwareall versionsnvdUScpe:2.3:o:qualcomm:ar8031_firmware:*:*:*:*:*:*:*:*
qualcomm ar8035 firmwareall versionsnvdUScpe:2.3:o:qualcomm:ar8035_firmware:*:*:*:*:*:*:*:*
qualcomm csra6620 firmwareall versionsnvdUScpe:2.3:o:qualcomm:csra6620_firmware:*:*:*:*:*:*:*:*
qualcomm csra6640 firmwareall versionsnvdUScpe:2.3:o:qualcomm:csra6640_firmware:*:*:*:*:*:*:*:*
qualcomm qca6391 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6391_firmware:*:*:*:*:*:*:*:*
qualcomm qca6420 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6420_firmware:*:*:*:*:*:*:*:*
qualcomm qca6430 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6430_firmware:*:*:*:*:*:*:*:*
qualcomm qca8337 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca8337_firmware:*:*:*:*:*:*:*:*
qualcomm qcm6125 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qcm6125_firmware:*:*:*:*:*:*:*:*
qualcomm qcs405 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qcs405_firmware:*:*:*:*:*:*:*:*
qualcomm qcs6125 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qcs6125_firmware:*:*:*:*:*:*:*:*
qualcomm sd 8c firmwareall versionsnvdUScpe:2.3:o:qualcomm:sd_8c_firmware:*:*:*:*:*:*:*:*
qualcomm sd 8cx firmwareall versionsnvdUScpe:2.3:o:qualcomm:sd_8cx_firmware:*:*:*:*:*:*:*:*
qualcomm sd855 firmwareall versionsnvdUScpe:2.3:o:qualcomm:sd855_firmware:*:*:*:*:*:*:*:*
qualcomm sdx55 firmwareall versionsnvdUScpe:2.3:o:qualcomm:sdx55_firmware:*:*:*:*:*:*:*:*
qualcomm sdx55m firmwareall versionsnvdUScpe:2.3:o:qualcomm:sdx55m_firmware:*:*:*:*:*:*:*:*
qualcomm wcd9335 firmwareall versionsnvdUScpe:2.3:o:qualcomm:wcd9335_firmware:*:*:*:*:*:*:*:*
qualcomm wcd9340 firmwareall versionsnvdUScpe:2.3:o:qualcomm:wcd9340_firmware:*:*:*:*:*:*:*:*

showing 20 of 28

advisories (1)

Vendor and ecosystem advisories describing this.

PUB-A-1870843822021-11-01vendor · osvUS

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2021-11-12modified 2026-06-17

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+12281 more

references (7)

External citations — patches, advisories, analysis.

scry

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