CVE-2021-1971
Possible assertion due to lack of physical layer state validation in Snapdragon Auto, Snapdragon...
Possible assertion due to lack of physical layer state validation in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Possible assertion due to lack of physical layer state validation in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking
- Record
CVE-2021-1971- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
EUVDEUVD-2021-7435
Possible assertion due to lack of physical layer state validation in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking
- Record
EUVD-2021-7435- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4m38-6q8p-p29r No score
Possible assertion due to lack of physical layer state validation in Snapdragon Auto, Snapdragon...
Possible assertion due to lack of physical layer state validation in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking
- Record
GHSA-4m38-6q8p-p29r- Weakness
- CWE-617
- Updated
- 2026-11-02
NVD
Possible assertion due to lack of physical layer state validation in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking
- Record
CVE-2021-1971- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-617
- Updated
- 2026-11-02
Affected products
- qualcomm, inc. snapdragon auto, snapdragon compute, snapdragon connectivity, snapdragon consumer electronics connectivity, snapdragon industrial iot, snapdragon mobile, snapdragon wired infrastructure and networking
- qualcomm aqt1000 firmware
- qualcomm ar8035 firmware
- qualcomm csr8811 firmware
- qualcomm csrb31024 firmware
- qualcomm ipq5010 firmware
- qualcomm ipq5018 firmware
- qualcomm ipq6000 firmware
- qualcomm ipq6005 firmware
- qualcomm ipq6010 firmware
- qualcomm ipq6018 firmware
- qualcomm ipq6028 firmware
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- qualcomm ipq8070 firmware
- qualcomm ipq8070a firmware
- qualcomm ipq8071 firmware
- qualcomm ipq8071a firmware
- qualcomm ipq8072 firmware
- qualcomm ipq8072a firmware
- qualcomm ipq8074 firmware
- qualcomm ipq8074a firmware
- qualcomm ipq8076 firmware
- qualcomm ipq8076a firmware
- qualcomm ipq8078 firmware
- qualcomm ipq8078a firmware
- qualcomm ipq8173 firmware
- qualcomm ipq8174 firmware
- qualcomm qca1062 firmware
- qualcomm qca1064 firmware
- qualcomm qca2062 firmware
- qualcomm qca2064 firmware
- qualcomm qca2065 firmware
- qualcomm qca2066 firmware
- qualcomm qca4024 firmware
- qualcomm qca6175a firmware
- qualcomm qca6390 firmware
- qualcomm qca6391 firmware
- qualcomm qca6420 firmware
- qualcomm qca6421 firmware
- qualcomm qca6426 firmware
- qualcomm qca6428 firmware
- qualcomm qca6430 firmware
- qualcomm qca6431 firmware
- qualcomm qca6436 firmware
- qualcomm qca6438 firmware
- qualcomm qca6564a firmware
- qualcomm qca6564au firmware
- qualcomm qca6574 firmware
- qualcomm qca6574a firmware
- qualcomm qca6574au firmware
- qualcomm qca6584au firmware
- qualcomm qca6595 firmware
- qualcomm qca6595au firmware
- qualcomm qca6694 firmware
- qualcomm qca6696 firmware
- qualcomm qca8072 firmware
- qualcomm qca8075 firmware
- qualcomm qca8081 firmware
- qualcomm qca8337 firmware
- qualcomm qca9888 firmware
- qualcomm qca9889 firmware
- qualcomm qca9984 firmware
- qualcomm qcn5021 firmware
- qualcomm qcn5022 firmware
- qualcomm qcn5024 firmware
- qualcomm qcn5052 firmware
- qualcomm qcn5054 firmware
- qualcomm qcn5064 firmware
- qualcomm qcn5121 firmware
- qualcomm qcn5122 firmware
- qualcomm qcn5124 firmware
- qualcomm qcn5152 firmware
- qualcomm qcn5154 firmware
- qualcomm qcn5164 firmware
- qualcomm qcn5550 firmware
- qualcomm qcn6023 firmware
- qualcomm qcn6024 firmware
- qualcomm qcn9000 firmware
- qualcomm qcn9012 firmware
- qualcomm qcn9022 firmware
- qualcomm qcn9024 firmware
- qualcomm qcn9070 firmware
- qualcomm qcn9072 firmware
- qualcomm qcn9074 firmware
- qualcomm qcn9100 firmware
- qualcomm qcx315 firmware
- qualcomm qsm8350 firmware
- qualcomm sa415m firmware
- qualcomm sa515m firmware
- qualcomm sa6145p firmware
- qualcomm sa6150p firmware
- qualcomm sa6155 firmware
- qualcomm sa6155p firmware
- qualcomm sa8145p firmware
- qualcomm sa8150p firmware
- qualcomm sa8155 firmware
- qualcomm sa8155p firmware
- qualcomm sa8195p firmware
- qualcomm sc8280xp firmware
- qualcomm sd865 5g firmware
- qualcomm sd870 firmware
- qualcomm sd888 5g firmware
- qualcomm sd 8c firmware
- qualcomm sd 8cx firmware
- qualcomm sdx55 firmware
- qualcomm sdx55m firmware
- qualcomm sdxr2 5g firmware
- qualcomm wcd9340 firmware
- qualcomm wcd9341 firmware
- qualcomm wcd9360 firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcn3998 firmware
- qualcomm wcn6745 firmware
- qualcomm wcn6750 firmware
- qualcomm wcn6850 firmware
- qualcomm wcn6851 firmware
- qualcomm wcn6855 firmware
- qualcomm wcn6856 firmware
- qualcomm wsa8810 firmware
- qualcomm wsa8815 firmware
- qualcomm wsa8830 firmware
- qualcomm wsa8835 firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-1971 is a high vulnerability (CVSS 7.5) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial Iot, Snapdragon Mobile, Snapdragon Wired Infrastructure And Networking, published September 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 48th percentile. No source names a fixed version.