CVE-2020-11156
u'Buffer over-read issue in Bluetooth estack due to lack of check for invalid length of L2cap...
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
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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
- Record
CVE-2020-11156- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - CVSS 2.0
- 4.8 Medium
AV:A/AC:L/Au:N/C:P/I:N/A:P - Weakness
- CWE-20, CWE-125
- Updated
- 2026-11-02
CVE List No score
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
- Record
CVE-2020-11156- Updated
- 2026-11-02
EUVDEUVD-2020-3510 No score
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
- Record
EUVD-2020-3510- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2crm-qxx4-6cp4 No score
u'Buffer over-read issue in Bluetooth estack due to lack of check for invalid length of L2cap...
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
- Record
GHSA-2crm-qxx4-6cp4- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
- 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
- qualcomm qca6390 firmware
- qualcomm qcn7605 firmware
- qualcomm qcs404 firmware
- qualcomm sa415m firmware
- qualcomm sa515m firmware
- qualcomm sc8180x firmware
- qualcomm sdx55 firmware
- qualcomm sm8250 firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-11156 is a high vulnerability (CVSS 8.1) in 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, published November 2, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.42%, the 36th percentile. No source names a fixed version.