How severe is CVE-2021-1962?

CVE-2021-1962 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-1962 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-1962?

CVE-2021-1962 primarily affects Qualcomm Aqt1000 Firmware. In total, 84 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-1962?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-1962 published?

CVE-2021-1962 was published on 2021-09-09 and last updated on 2026-06-17.

CVE-2021-1962

CVE-2021-1962 is a medium-severity vulnerability in Qualcomm Aqt1000 Firmware with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v2: 4.6
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Qualcomm Aqt1000 Firmware
Published: 2021-09-09
Last modified: 2026-06-17

Description

Buffer Overflow while processing IOCTL for getting peripheral endpoint information there is no proper validation for input maximum endpoint pair and its size in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Frequently asked questions

What is CVE-2021-1962?: Buffer Overflow while processing IOCTL for getting peripheral endpoint information there is no proper validation for input maximum endpoint pair and its size in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking
How severe is CVE-2021-1962?: CVE-2021-1962 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-1962 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-1962?: CVE-2021-1962 primarily affects Qualcomm Aqt1000 Firmware. In total, 84 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-1962?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-1962 published?: CVE-2021-1962 was published on 2021-09-09 and last updated on 2026-06-17.

References

https://www.qualcomm.com/company/product-security/bulletins/september-2021-bulletin

Affected products (84)

cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar9380_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fsm10055_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fsm10056_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8064_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8065_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8068_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8069_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6420_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6430_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6574_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6574a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6584au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6595_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9531_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9558_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9561_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9563_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9880_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9882_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9886_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9887_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9888_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9889_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9896_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9898_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9980_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9982_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9984_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9990_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9992_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9994_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs410_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs605_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs610_firmware:-:*:*:*:*:*:*:*

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