Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-30321


Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity


Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, 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), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 46 products from qualcomm, from qualcomm, from qualcomm and 43 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, 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

2021-11-12T07:15:07.813

Last Modified

2024-11-21T06:03:48.743

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

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

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

10.0

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-120

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System qualcomm aqt1000_firmware - Yes
Hardware qualcomm aqt1000 - No
Operating System qualcomm qca1062_firmware - Yes
Hardware qualcomm qca1062 - No
Operating System qualcomm qca1064_firmware - Yes
Hardware qualcomm qca1064 - No
Operating System qualcomm qca2066_firmware - Yes
Hardware qualcomm qca2066 - No
Operating System qualcomm qca6320_firmware - Yes
Hardware qualcomm qca6320 - No
Operating System qualcomm qca6391_firmware - Yes
Hardware qualcomm qca6391 - No
Operating System qualcomm qca6420_firmware - Yes
Hardware qualcomm qca6420 - No
Operating System qualcomm qca6430_firmware - Yes
Hardware qualcomm qca6430 - No
Operating System qualcomm sc8280xp_firmware - Yes
Hardware qualcomm sc8280xp - No
Operating System qualcomm sd_8cx_firmware - Yes
Hardware qualcomm sd_8cx - No
Operating System qualcomm wcd9340_firmware - Yes
Hardware qualcomm wcd9340 - No
Operating System qualcomm wcd9341_firmware - Yes
Hardware qualcomm wcd9341 - No
Operating System qualcomm wcd9380_firmware - Yes
Hardware qualcomm wcd9380 - No
Operating System qualcomm wcd9385_firmware - Yes
Hardware qualcomm wcd9385 - No
Operating System qualcomm wcn3998_firmware - Yes
Hardware qualcomm wcn3998 - No
Operating System qualcomm wcn6850_firmware - Yes
Hardware qualcomm wcn6850 - No
Operating System qualcomm wcn6851_firmware - Yes
Hardware qualcomm wcn6851 - No
Operating System qualcomm wcn6855_firmware - Yes
Hardware qualcomm wcn6855 - No
Operating System qualcomm wcn6856_firmware - Yes
Hardware qualcomm wcn6856 - No
Operating System qualcomm wsa8810_firmware - Yes
Hardware qualcomm wsa8810 - No
Operating System qualcomm wsa8815_firmware - Yes
Hardware qualcomm wsa8815 - No
Operating System qualcomm wsa8830_firmware - Yes
Hardware qualcomm wsa8830 - No
Operating System qualcomm wsa8835_firmware - Yes
Hardware qualcomm wsa8835 - 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.