CVE-2021-1929

CVE-2021-1929 is a medium-severity vulnerability in Qualcomm Apq8096au Firmware with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: Medium (CVSS 3.x base score 6.2)
• CVSS v2: 2.1
• EPSS exploit prediction: 0% (5th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Qualcomm Apq8096au Firmware
• Published: 2021-09-08
• Last modified: 2026-06-17

Description

Lack of strict validation of bootmode can lead to information disclosure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

Frequently asked questions

What is CVE-2021-1929?

Lack of strict validation of bootmode can lead to information disclosure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

How severe is CVE-2021-1929?

CVE-2021-1929 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-1929 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-2021-1929?

CVE-2021-1929 primarily affects Qualcomm Apq8096au Firmware. In total, 93 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-1929?

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

When was CVE-2021-1929 published?

CVE-2021-1929 was published on 2021-09-08 and last updated on 2026-06-17.

References

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

Affected products (93)

• cpe:2.3:o:qualcomm:apq8096au_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:msm8996au_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:qca6421_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6426_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6430_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6431_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6436_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6564a_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6564au_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6574a_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qca6574au_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:qcm2290_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcm4290_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcm6125_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcs2290_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcs4290_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcs603_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcs605_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcs610_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcs6125_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qualcomm215_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sa6145p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sa6150p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sa6155p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sa8145p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sa8150p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sa8155_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sa8155p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sa8195p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_675_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd205_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd210_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd460_firmware:-:*:*:*:*:*:*:*

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