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CVE Record

CVE-2020-11141: u'Buffer over-read issue in Bluetooth estack due to lack of check for invalid length of L2cap configuration...

u'Buffer over-read issue in Bluetooth estack due to lack of check for invalid length of L2cap configuration request 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 APQ8009, APQ8053, QCA6390, QCN7605, SA415M, SA515M, SC8180X, SDX55, SM8250

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2020-11141 is a Qualcomm Bluetooth stack flaw where a nearby peer device can send an invalid L2CAP configuration request that is not length-checked properly, causing a buffer over-read. The source bundle does not provide CVSS, exploit status, or a complete fix statement.

Executive priority

Treat this as a targeted firmware hygiene issue, not a confirmed emergency. Prioritize identifying affected Qualcomm-based assets and confirming OEM patch status, especially for long-lived IoT, automotive, and connectivity deployments.

Technical view

Qualcomm describes a buffer over-read in the Bluetooth stack caused by missing validation for an invalid length in an L2CAP configuration request received from a peer device. Affected platforms include multiple Snapdragon product families and listed chipsets including APQ8009, APQ8053, QCA6390, QCN7605, SA415M, SA515M, SC8180X, SDX55, and SM8250.

Likely exposure

Exposure is most likely on devices using the named Qualcomm Snapdragon platforms with vulnerable Bluetooth firmware or software. The source bundle does not identify downstream OEM devices, operating systems, or firmware versions, so asset mapping is required.

Exploitation context

The provided data does not show CISA KEV listing or active exploitation. The attack context appears Bluetooth peer-to-device, meaning practical exposure depends on Bluetooth availability, proximity, and whether affected firmware remains deployed.

Researcher notes

Evidence is sparse: no CVSS, CWE, exploit details, or downstream product list is provided in the bundle. Analysis should stay anchored to Qualcomm’s description: malformed L2CAP configuration request length handling causes buffer over-read in Bluetooth stack code.

Mitigation direction

  • Check Qualcomm October 2020 bulletin for vendor guidance and fixed-release information.
  • Ask OEMs whether device firmware includes the CVE-2020-11141 Qualcomm fix.
  • Prioritize updates for exposed mobile, IoT, automotive, and connectivity devices.
  • Disable Bluetooth on high-risk assets where it is not operationally required.

Validation and detection

  • Inventory devices using the listed Snapdragon platforms or chipsets.
  • Confirm current firmware against OEM security bulletins referencing CVE-2020-11141.
  • Review Bluetooth-enabled asset exposure in sensitive or public environments.
  • Track exceptions where vendor fix status is unavailable or unsupported.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2020-11141 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
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 NetworkingAPQ8009, APQ8053, QCA6390, QCN7605, SA415M, SA515M, SC8180X, SDX55, SM8250Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.