Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-30306

Possible buffer over read due to improper buffer allocation for file length passed from user space in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.4, requiring local system access to exploit 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 130 products from qualcomm, from qualcomm, from qualcomm and 127 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

2021-10-20T07:15:08.850

Last Modified

2024-11-21T06:03:45.580

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.4 (HIGH)

CVSSv2 Vector

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

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

3.9

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-125
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System qualcomm apq8053_firmware - Yes
Hardware qualcomm apq8053 - No
Operating System qualcomm msm8953_firmware - Yes
Hardware qualcomm msm8953 - No
Operating System qualcomm qca6174a_firmware - Yes
Hardware qualcomm qca6174a - No
Operating System qualcomm qca6390_firmware - Yes
Hardware qualcomm qca6390 - No
Operating System qualcomm qca6391_firmware - Yes
Hardware qualcomm qca6391 - No
Operating System qualcomm qca6426_firmware - Yes
Hardware qualcomm qca6426 - No
Operating System qualcomm qca6574_firmware - Yes
Hardware qualcomm qca6574 - No
Operating System qualcomm qca6574a_firmware - Yes
Hardware qualcomm qca6574a - No
Operating System qualcomm qca6574au_firmware - Yes
Hardware qualcomm qca6574au - No
Operating System qualcomm qca6595au_firmware - Yes
Hardware qualcomm qca6595au - No
Operating System qualcomm qca6696_firmware - Yes
Hardware qualcomm qca6696 - No
Operating System qualcomm qca9377_firmware - Yes
Hardware qualcomm qca9377 - No
Operating System qualcomm qcm6490_firmware - Yes
Hardware qualcomm qcm6490 - No
Operating System qualcomm qcs6490_firmware - Yes
Hardware qualcomm qcs6490 - No
Operating System qualcomm qrb5165_firmware - Yes
Hardware qualcomm qrb5165 - No
Operating System qualcomm sa6145p_firmware - Yes
Hardware qualcomm sa6145p - No
Operating System qualcomm sa6150p_firmware - Yes
Hardware qualcomm sa6150p - No
Operating System qualcomm sa6155_firmware - Yes
Hardware qualcomm sa6155 - No
Operating System qualcomm sa6155p_firmware - Yes
Hardware qualcomm sa6155p - No
Operating System qualcomm sa8145p_firmware - Yes
Hardware qualcomm sa8145p - No
Operating System qualcomm sa8150p_firmware - Yes
Hardware qualcomm sa8150p - No
Operating System qualcomm sa8155_firmware - Yes
Hardware qualcomm sa8155 - No
Operating System qualcomm sa8155p_firmware - Yes
Hardware qualcomm sa8155p - No
Operating System qualcomm sa8195p_firmware - Yes
Hardware qualcomm sa8195p - No
Operating System qualcomm sd460_firmware - Yes
Hardware qualcomm sd460 - No
Operating System qualcomm sd480_firmware - Yes
Hardware qualcomm sd480 - No
Operating System qualcomm sd662_firmware - Yes
Hardware qualcomm sd662 - No
Operating System qualcomm sd690_5g_firmware - Yes
Hardware qualcomm sd690_5g - No
Operating System qualcomm sd750g_firmware - Yes
Hardware qualcomm sd750g - No
Operating System qualcomm sd765_firmware - Yes
Hardware qualcomm sd765 - No
Operating System qualcomm sd765g_firmware - Yes
Hardware qualcomm sd765g - No
Operating System qualcomm sd768g_firmware - Yes
Hardware qualcomm sd768g - No
Operating System qualcomm sd778g_firmware - Yes
Hardware qualcomm sd778g - No
Operating System qualcomm sd780g_firmware - Yes
Hardware qualcomm sd780g - No
Operating System qualcomm sd865_5g_firmware - Yes
Hardware qualcomm sd865_5g - No
Operating System qualcomm sd870_firmware - Yes
Hardware qualcomm sd870 - No
Operating System qualcomm sd888_firmware - Yes
Hardware qualcomm sd888 - No
Operating System qualcomm sd888_5g_firmware - Yes
Hardware qualcomm sd888_5g - No
Operating System qualcomm sdx12_firmware - Yes
Hardware qualcomm sdx12 - No
Operating System qualcomm sdx55m_firmware - Yes
Hardware qualcomm sdx55m - No
Operating System qualcomm sm7250_firmware - Yes
Hardware qualcomm sm7250 - No
Operating System qualcomm sm7325_firmware - Yes
Hardware qualcomm sm7325 - No
Operating System qualcomm wcd9326_firmware - Yes
Hardware qualcomm wcd9326 - No
Operating System qualcomm wcd9335_firmware - Yes
Hardware qualcomm wcd9335 - No
Operating System qualcomm wcd9341_firmware - Yes
Hardware qualcomm wcd9341 - No
Operating System qualcomm wcd9370_firmware - Yes
Hardware qualcomm wcd9370 - No
Operating System qualcomm wcd9375_firmware - Yes
Hardware qualcomm wcd9375 - No
Operating System qualcomm wcd9380_firmware - Yes
Hardware qualcomm wcd9380 - No
Operating System qualcomm wcd9385_firmware - Yes
Hardware qualcomm wcd9385 - No
Operating System qualcomm wcn3615_firmware - Yes
Hardware qualcomm wcn3615 - No
Operating System qualcomm wcn3680b_firmware - Yes
Hardware qualcomm wcn3680b - No
Operating System qualcomm wcn3950_firmware - Yes
Hardware qualcomm wcn3950 - No
Operating System qualcomm wcn3988_firmware - Yes
Hardware qualcomm wcn3988 - No
Operating System qualcomm wcn3991_firmware - Yes
Hardware qualcomm wcn3991 - No
Operating System qualcomm wcn3998_firmware - Yes
Hardware qualcomm wcn3998 - No
Operating System qualcomm wcn6740_firmware - Yes
Hardware qualcomm wcn6740 - No
Operating System qualcomm wcn6750_firmware - Yes
Hardware qualcomm wcn6750 - 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.