How severe is CVE-2021-1896?

CVE-2021-1896 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-1896 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-1896?

CVE-2021-1896 primarily affects Qualcomm Aqt1000 Firmware. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-1896?

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

When was CVE-2021-1896 published?

CVE-2021-1896 was published on 2021-07-13 and last updated on 2026-06-17.

CVE-2021-1896

CVE-2021-1896 is a medium-severity vulnerability in Qualcomm Aqt1000 Firmware with a CVSS 3.x base score of 4.3. 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-319.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 3.3
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Qualcomm Aqt1000 Firmware
Published: 2021-07-13
Last modified: 2026-06-17

Description

Weak configuration in WLAN could cause forwarding of unencrypted packets from one client to another in Snapdragon Compute, Snapdragon Connectivity

Frequently asked questions

What is CVE-2021-1896?: Weak configuration in WLAN could cause forwarding of unencrypted packets from one client to another in Snapdragon Compute, Snapdragon Connectivity
How severe is CVE-2021-1896?: CVE-2021-1896 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-1896 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-1896?: CVE-2021-1896 primarily affects Qualcomm Aqt1000 Firmware. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-1896?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-1896 published?: CVE-2021-1896 was published on 2021-07-13 and last updated on 2026-06-17.

References

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

Affected products (22)

cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6164_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6174_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6174a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6420_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6430_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca9377_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sc8180x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_8c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_8cx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd7c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd850_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm6250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9340_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9341_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3990_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3991_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3998_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn6850_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8810_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8815_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdx55_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Aqt1000 Firmware

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