CVE-2021-30281

CVE-2021-30281 is a high-severity vulnerability in Qualcomm Aqt1000 Firmware with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: High (CVSS 3.x base score 8.4)
• CVSS v2: 7.2
• EPSS exploit prediction: 0% (5th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Qualcomm Aqt1000 Firmware
• Published: 2022-06-14
• Last modified: 2026-06-17

Description

Possible unauthorized access to secure space due to improper check of data allowed while flashing the no access control device configuration in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Frequently asked questions

What is CVE-2021-30281?

Possible unauthorized access to secure space due to improper check of data allowed while flashing the no access control device configuration in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

How severe is CVE-2021-30281?

CVE-2021-30281 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-30281 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-2021-30281?

CVE-2021-30281 primarily affects Qualcomm Aqt1000 Firmware. In total, 147 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-30281?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-30281 published?

CVE-2021-30281 was published on 2022-06-14 and last updated on 2026-06-17.

References

• https://www.qualcomm.com/company/product-security/bulletins/april-2022-bulletin

Affected products (147)

• cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ar8031_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ar8035_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:csr8811_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:csra6620_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:csra6640_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:csrb31024_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:fsm10055_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:fsm10056_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq6000_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq6005_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq6010_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq6018_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ipq6028_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:mdm9150_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:mdm9205_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca4004_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca4024_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6174a_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6390_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6420_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6426_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6430_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6436_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6564_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6564a_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6564au_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:qca6595au_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca8072_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca8075_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca8081_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca8337_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca9377_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca9984_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcm2290_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Aqt1000 Firmware

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• CVE-2023-28562 — Critical (CVSS 9.8): Memory corruption while handling payloads from remote ESL.
• CVE-2022-40510 — Critical (CVSS 9.8): Memory corruption due to buffer copy without checking size of input in Audio while voice call with EVS vocoder.
• CVE-2022-40514 — Critical (CVSS 9.8): Memory corruption due to buffer copy without checking the size of input in WLAN Firmware while processing CCKM IE in…
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