PT-2021-13660 · Qualcomm · Snapdragon Connectivity+8

Hongjian Cao · Published 2021-11-12 · Updated 2021-11-16 · CVE-2021-1903

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions: Snapdragon Auto (affected versions not specified) Snapdragon Compute (affected versions not specified) Snapdragon Connectivity (affected versions not specified) Snapdragon Consumer Electronics Connectivity (affected versions not specified) Snapdragon Consumer IOT (affected versions not specified) Snapdragon Industrial IOT (affected versions not specified) Snapdragon Mobile (affected versions not specified) Snapdragon Voice & Music (affected versions not specified) Snapdragon Wired Infrastructure and Networking (affected versions not specified)

Description: A possible denial of service scenario can occur due to the lack of length check on Channel Switch Announcement IE in beacon or probe response frames. This issue affects various Snapdragon products.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2021-1903

Affected Products

Snapdragon Auto

Snapdragon Compute

Snapdragon Connectivity

Snapdragon Consumer Electronics Connectivity

Snapdragon Consumer Iot

Snapdragon Industrial Iot

Snapdragon Mobile

Snapdragon Voice & Music

Snapdragon Wired Infrastructure/Networking

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2021-1903 · Security Note
• https://qualcomm.com/company/product-security/bulletins/november-2021-bulletin · Vendor Advisory
• https://t.me/cibsecurity/32274 · Telegram Post