Vulnerability Monitor

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CVE-2020-3653


Possible buffer over-read in windows wlan driver function due to lack of check of length of variable received from userspace in Snapdragon Compute, Snapdragon Connectivity in MSM8998, QCA6390, SC7180, SC8180X, SDM850


Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.1, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), and availability (service disruption) for affected systems. Impacting 10 products from qualcomm, from qualcomm, from qualcomm and 7 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2020-04-16T11:15:15.793

Last Modified

2024-11-21T05:31:30.017

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.1 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

9.2

Weaknesses
  • Type: Primary
    CWE-20
    CWE-125

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System qualcomm msm8998_firmware - Yes
Hardware qualcomm msm8998 - No
Operating System qualcomm qca6390_firmware - Yes
Hardware qualcomm qca6390 - No
Operating System qualcomm sc7180_firmware - Yes
Hardware qualcomm sc7180 - No
Operating System qualcomm sc8180x_firmware - Yes
Hardware qualcomm sc8180x - No
Operating System qualcomm sdm850_firmware - Yes
Hardware qualcomm sdm850 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For qualcomm's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.