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01 Record

CVE-2021-1943

Possible buffer out of bound read can occur due to improper validation of TBTT count and length while parsing the beacon response in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity,

HighPUBLISHEDCNA: qualcomm
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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02 Description

Possible buffer out of bound read can occur due to improper validation of TBTT count and length while parsing the beacon response in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity,

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.58% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 47.8% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-07-13 05:30Z5 YR AGO
Last updated
2024-08-03 16:25Z2 YR AGO
Reserved
2020-12-08
Assigning CNA
qualcomm
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
Data version
5.1
Document digest
3554526754c849051f58c50750e80a3d7321465374448ed5ea12a3db3012949d

05 Affected products

VendorProductVersionsPlatforms
Qualcomm, Inc.Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and NetworkingAPQ8053, AQT1000, AR9380, CSR8811, CSRB31024, IPQ4018, IPQ4019, IPQ4028, IPQ4029, IPQ5010, IPQ5018, IPQ5028, IPQ6000, IPQ6005, IPQ6010, IPQ6018, IPQ6028, IPQ8064, IPQ8065, IPQ8068, IPQ8070, IPQ8070A, IPQ8071, IPQ8071A, IPQ8072, IPQ8072A, IPQ8074, IPQ8074A, IPQ8076, IPQ8076A, IPQ8078, IPQ8078A, IPQ8173, IPQ8174, MSM8953, PMP8074, QCA4024, QCA6175A, QCA6390, QCA6391, QCA6420, QCA6426, QCA6428, QCA6430, QCA6436, QCA6438, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6584AU, QCA6595, QCA6595AU, QCA6696, QCA7500, QCA8072, QCA8075, QCA8081, QCA9531, QCA9558, QCA9561, QCA9563, QCA9880, QCA9886, QCA9887, QCA9888, QCA9889, QCA9896, QCA9898, QCA9980, QCA9982, QCA9984, QCA9985, QCA9990, QCA9992, QCA9994, QCN5021, QCN5022, QCN5024, QCN5052, QCN5054, QCN5064, QCN5121, QCN5122, QCN5124, QCN5152, QCN5154, QCN5164, QCN5500, QCN5502, QCN5550, QCN6023, QCN6024, QCN6122, QCN9000, QCN9012, QCN9022, QCN9024, QCN9070, QCN9072, QCN9074, QCN9100, SA415M, SA515M, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8 ...[truncated*]—

06 References