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CVE-2021-35103

Possible out of bound write due to improper validation of number of timer values received from firmware while syncing timers in Snapdragon…

High7.8EPSS 0.20%
Published
Updated
Reserved
Assigned by
qualcomm

Description

Possible out of bound write due to improper validation of number of timer values received from firmware while syncing timers in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Timeline

  1. ID reserved

    By qualcomm

  2. · 9 months later

    Published

  3. · 2 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2021-35103, by who scored it
Scored byCVSSScoreVector
qualcommCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.20% · top 90% of all CVEs (8 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Weakness

Affected products

  • Qualcomm, Inc. · Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

    • affected AR8035, AR9380, CSR8811, CSRB31024, IPQ4018, IPQ4019, IPQ4028, IPQ4029, IPQ5010, IPQ5018, IPQ5028, IPQ6010, IPQ6018, IPQ6028, IPQ8064, IPQ8065, IPQ8068, IPQ8070, IPQ8070A, IPQ8071A, IPQ8072A, IPQ8074A, IPQ8076, IPQ8076A, IPQ8078, IPQ8078A, IPQ8173, IPQ8174, PMP8074, QCA4024, QCA6390, QCA6391, QCA6426, QCA6436, QCA6554A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6584AU, QCA6595, QCA6595AU, QCA6696, QCA7500, QCA8072, QCA8075, QCA8081, QCA8337, QCA9880, QCA9886, QCA9888, QCA9889, QCA9898, QCA9980, QCA9984, QCA9985, QCA9990, QCA9992, QCA9994, QCM6125, QCM6490, QCN5021, QCN5022, QCN5024, QCN5052, QCN5054, QCN5122, QCN5124, QCN5152, QCN5154, QCN5164, QCN6023, QCN6024, QCN6100, QCN6102, QCN6112, QCN6122, QCN6132, QCN9000, QCN9011, QCN9012, QCN9022, QCN9024, QCN9070, QCN9072, QCN9074, QCN9100, QCS6125, QCS6490, QRB5165, QRB5165M, QRB5165N, SA4150P, SA4155P, SA415M, SA515M, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SD 8 Gen1 5G, SD460, SD480, SD662, SD765, SD765G, ...[truncated*]

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2021-35103 badge
[![CVE-2021-35103](https://cveledger.app/badge/CVE-2021-35103.svg)](https://cveledger.app/cve/CVE-2021-35103)

Record last updated .