VulnerabilityModified

CVE-2021-30321

Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity

CRITICAL 9.8EPSS 0.78%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.78%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity

CVSS 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.78% probability · 54th percentile
CISA KEV: Not listed
Weakness: CWE-120
Affected: qualcomm/aqt1000 firmware · qualcomm/qca1062 firmware · qualcomm/qca1064 firmware · qualcomm/qca2066 firmware · qualcomm/qca6320 firmware · qualcomm/qca6391 firmware · qualcomm/qca6420 firmware · qualcomm/qca6430 firmware · qualcomm/sc8280xp firmware · qualcomm/sd 8cx firmware · qualcomm/wcd9340 firmware · qualcomm/wcd9341 firmware · qualcomm/wcd9380 firmware · qualcomm/wcd9385 firmware · qualcomm/wcn3998 firmware · qualcomm/wcn6850 firmware · qualcomm/wcn6851 firmware · qualcomm/wcn6855 firmware · qualcomm/wcn6856 firmware · qualcomm/wsa8810 firmware · +3 more
Source: product-security@qualcomm.com

References

https://www.qualcomm.com/company/product-security/bulletins/november-2021-bulletinVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/november-2021-bulletinVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.