CVE-2020-11156

mediumpriority · track · 32EPSS 0.004 · 36 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.42% (36th) EPSS

CVSS 4.8 · medium

Is it mine?

9 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

u'Buffer over-read issue in Bluetooth estack due to lack of check for invalid length of L2cap packet received from peer device.' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in QCA6390, QCN7605, QCS404, SA415M, SA515M, SC8180X, SDX55, SM8250

cvss

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

8.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.8–8.1

v2.04.8mediumAV:A/AC:L/Au:N/C:P/I:N/A:Pprimary · NVD / NIST USexploitability 6.5 · impact 4.9

v3.18.1highCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.2

v3.17.4highCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125USprimaryCWE-20USprimary

affected products (9)

Products and version ranges known to be affected.

Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking≤ QCA6390, QCN7605, QCS404, SA415M, SA515M, SC8180X, SDX55, SM8250enisa_euvdEU
qualcomm qca6390 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6390_firmware:*:*:*:*:*:*:*:*
qualcomm qcn7605 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qcn7605_firmware:*:*:*:*:*:*:*:*
qualcomm qcs404 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qcs404_firmware:*:*:*:*:*:*:*:*
qualcomm sa415m firmwareall versionsnvdUScpe:2.3:o:qualcomm:sa415m_firmware:*:*:*:*:*:*:*:*
qualcomm sa515m firmwareall versionsnvdUScpe:2.3:o:qualcomm:sa515m_firmware:*:*:*:*:*:*:*:*
qualcomm sc8180x firmwareall versionsnvdUScpe:2.3:o:qualcomm:sc8180x_firmware:*:*:*:*:*:*:*:*
qualcomm sdx55 firmwareall versionsnvdUScpe:2.3:o:qualcomm:sdx55_firmware:*:*:*:*:*:*:*:*
qualcomm sm8250 firmwareall versionsnvdUScpe:2.3:o:qualcomm:sm8250_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2020-11-02modified 2026-06-17

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+36597 more

references (9)

External citations — patches, advisories, analysis.

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