{"id":"CVE-2020-3621","aliases":["EUVD-2020-24892","GHSA-wc5h-vpgx-mqjw"],"status":"published","title":"u'Lack of check to ensure that the TX read index \u0026 RX write index that are read from shared...","description":"u'Lack of check to ensure that the TX read index \u0026 RX write index that are read from shared memory are less than the FIFO size results into memory corruption and potential information leakage' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice \u0026 Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in APQ8009, APQ8017, APQ8053, APQ8096AU, APQ8098, Bitra, IPQ6018, IPQ8074, Kamorta, MDM9150, MDM9205, MDM9206, MDM9607, MDM9640, MDM9645, MDM9650, MDM9655, MSM8905, MSM8909, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8996, MSM8996AU, MSM8998, Nicobar, QCA8081, QCM2150, QCN7605, QCS404, QCS405, QCS605, QCS610, QM215, Rennell, SA415M, SA6155P, Saipan, SC7180, SC8180X, SDA660, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.0022,"percentile":0.12641,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-20","CWE-787"],"published":"2020-09-08T09:31:39Z","modified":"2026-06-17T03:18:43Z","products":[{"vendor":"qualcomm","product":"apq8009_firmware"},{"vendor":"qualcomm","product":"apq8053_firmware"},{"vendor":"qualcomm","product":"apq8096au_firmware"},{"vendor":"qualcomm","product":"apq8098_firmware"},{"vendor":"qualcomm","product":"bitra_firmware"},{"vendor":"qualcomm","product":"ipq8074_firmware"},{"vendor":"qualcomm","product":"kamorta_firmware"},{"vendor":"qualcomm","product":"mdm9150_firmware"},{"vendor":"qualcomm","product":"mdm9205_firmware"},{"vendor":"qualcomm","product":"mdm9206_firmware"},{"vendor":"qualcomm","product":"mdm9607_firmware"},{"vendor":"qualcomm","product":"mdm9640_firmware"},{"vendor":"qualcomm","product":"mdm9645_firmware"},{"vendor":"qualcomm","product":"mdm9650_firmware"},{"vendor":"qualcomm","product":"mdm9655_firmware"},{"vendor":"qualcomm","product":"msm8905_firmware"},{"vendor":"qualcomm","product":"msm8909_firmware"},{"vendor":"qualcomm","product":"msm8917_firmware"},{"vendor":"qualcomm","product":"msm8920_firmware"},{"vendor":"qualcomm","product":"msm8937_firmware"},{"vendor":"qualcomm","product":"msm8940_firmware"},{"vendor":"qualcomm","product":"msm8953_firmware"},{"vendor":"qualcomm","product":"msm8996_firmware"},{"vendor":"qualcomm","product":"msm8996au_firmware"},{"vendor":"qualcomm","product":"msm8998_firmware"},{"vendor":"qualcomm","product":"nicobar_firmware"},{"vendor":"qualcomm","product":"qca8081_firmware"},{"vendor":"qualcomm","product":"qcm2150_firmware"},{"vendor":"qualcomm","product":"qcn7605_firmware"},{"vendor":"qualcomm","product":"qcs404_firmware"},{"vendor":"qualcomm","product":"qcs405_firmware"},{"vendor":"qualcomm","product":"qcs605_firmware"},{"vendor":"qualcomm","product":"qcs610_firmware"},{"vendor":"qualcomm","product":"qm215_firmware"},{"vendor":"qualcomm","product":"rennell_firmware"},{"vendor":"qualcomm","product":"sa415m_firmware"},{"vendor":"qualcomm","product":"sa6155p_firmware"},{"vendor":"qualcomm","product":"saipan_firmware"},{"vendor":"qualcomm","product":"sc7180_firmware"},{"vendor":"qualcomm","product":"sc8180x_firmware"},{"vendor":"qualcomm","product":"sda660_firmware"},{"vendor":"qualcomm","product":"sda845_firmware"},{"vendor":"qualcomm","product":"sdm429_firmware"},{"vendor":"qualcomm","product":"sdm429w_firmware"},{"vendor":"qualcomm","product":"sdm439_firmware"},{"vendor":"qualcomm","product":"sdm450_firmware"},{"vendor":"qualcomm","product":"sdm630_firmware"},{"vendor":"qualcomm","product":"sdm632_firmware"},{"vendor":"qualcomm","product":"sdm636_firmware"},{"vendor":"qualcomm","product":"sdm660_firmware"},{"vendor":"qualcomm","product":"sdm670_firmware"},{"vendor":"qualcomm","product":"sdm710_firmware"},{"vendor":"qualcomm","product":"sdm845_firmware"},{"vendor":"qualcomm","product":"sdm850_firmware"},{"vendor":"qualcomm","product":"sdx20_firmware"},{"vendor":"qualcomm","product":"sdx24_firmware"},{"vendor":"qualcomm","product":"sdx55_firmware"},{"vendor":"qualcomm","product":"sm6150_firmware"},{"vendor":"qualcomm","product":"sm7150_firmware"},{"vendor":"qualcomm","product":"sm8150_firmware"},{"vendor":"qualcomm","product":"sm8250_firmware"},{"vendor":"qualcomm","product":"sxr1130_firmware"},{"vendor":"qualcomm","product":"sxr2130_firmware"},{"vendor":"qualcomm, inc.","product":"snapdragon auto, snapdragon compute, snapdragon connectivity, snapdragon consumer electronics connectivity, snapdragon consumer iot, snapdragon industrial iot, snapdragon mobile, snapdragon voice \u0026 music, snapdragon wearables, snapdragon wired infrastructure and networking"}],"references":[{"url":"https://www.qualcomm.com/company/product-security/bulletins/august-2020-bulletin","tags":["x_refsource_CONFIRM","x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-3621"},{"url":"https://www.qualcomm.com/company/product-security/bulletins/august-2020-security-bulletin","tags":["Vendor Advisory"]},{"url":"https://github.com/advisories/GHSA-wc5h-vpgx-mqjw"}],"sources":{"cve":[{"id":"CVE-2020-3621","description":"u'Lack of check to ensure that the TX read index \u0026 RX write index that are read from shared memory are less than the FIFO size results into memory corruption and potential information leakage' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice \u0026 Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in APQ8009, APQ8017, APQ8053, APQ8096AU, APQ8098, Bitra, IPQ6018, IPQ8074, Kamorta, MDM9150, MDM9205, MDM9206, MDM9607, MDM9640, MDM9645, MDM9650, MDM9655, MSM8905, MSM8909, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8996, MSM8996AU, MSM8998, Nicobar, QCA8081, QCM2150, QCN7605, QCS404, QCS405, QCS605, QCS610, QM215, Rennell, SA415M, SA6155P, Saipan, SC7180, SC8180X, SDA660, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130","status":"published","published":"2020-09-08T09:31:39Z","modified":"2024-08-04T07:37:55.644Z","updated_at":"2026-11-02T14:35:52.268457Z"}],"euvd":[{"id":"EUVD-2020-24892","description":"u'Lack of check to ensure that the TX read index \u0026 RX write index that are read from shared memory are less than the FIFO size results into memory corruption and potential information leakage' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice \u0026 Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in APQ8009, APQ8017, APQ8053, APQ8096AU, APQ8098, Bitra, IPQ6018, IPQ8074, Kamorta, MDM9150, MDM9205, MDM9206, MDM9607, MDM9640, MDM9645, MDM9650, MDM9655, MSM8905, MSM8909, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8996, MSM8996AU, MSM8998, Nicobar, QCA8081, QCM2150, QCN7605, QCS404, QCS405, QCS605, QCS610, QM215, Rennell, SA415M, SA6155P, Saipan, SC7180, SC8180X, SDA660, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130","status":"published","published":"2020-09-08T09:31:39Z","modified":"2024-08-04T07:37:55Z","updated_at":"2026-11-03T03:08:09.929524Z"}],"ghsa":[{"id":"GHSA-wc5h-vpgx-mqjw","title":"u'Lack of check to ensure that the TX read index \u0026 RX write index that are read from shared...","description":"u'Lack of check to ensure that the TX read index \u0026 RX write index that are read from shared memory are less than the FIFO size results into memory corruption and potential information leakage' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice \u0026 Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in APQ8009, APQ8017, APQ8053, APQ8096AU, APQ8098, Bitra, IPQ6018, IPQ8074, Kamorta, MDM9150, MDM9205, MDM9206, MDM9607, MDM9640, MDM9645, MDM9650, MDM9655, MSM8905, MSM8909, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8996, MSM8996AU, MSM8998, Nicobar, QCA8081, QCM2150, QCN7605, QCS404, QCS405, QCS605, QCS610, QM215, Rennell, SA415M, SA6155P, Saipan, SC7180, SC8180X, SDA660, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130","status":"published","published":"2022-05-24T17:27:32Z","modified":"2023-01-29T05:04:01Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:45:27.054092Z"}],"nvd":[{"id":"CVE-2020-3621","description":"u'Lack of check to ensure that the TX read index \u0026 RX write index that are read from shared memory are less than the FIFO size results into memory corruption and potential information leakage' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice \u0026 Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in APQ8009, APQ8017, APQ8053, APQ8096AU, APQ8098, Bitra, IPQ6018, IPQ8074, Kamorta, MDM9150, MDM9205, MDM9206, MDM9607, MDM9640, MDM9645, MDM9650, MDM9655, MSM8905, MSM8909, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8996, MSM8996AU, MSM8998, Nicobar, QCA8081, QCM2150, QCN7605, QCS404, QCS405, QCS605, QCS610, QM215, Rennell, SA415M, SA6155P, Saipan, SC7180, SC8180X, SDA660, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130","status":"published","published":"2020-09-08T10:15:15.107Z","modified":"2026-06-17T03:18:43.84Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:C/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20","CWE-787"],"updated_at":"2026-11-02T14:06:14.981587Z"}]}}