PT-2021-9256 · Qualcomm · Snapdragon Mobile+3

Published 2021-04-07 · Updated 2021-04-12 · CVE-2020-11243

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

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 Mobile (affected versions not specified)

Description The issue occurs when RRC sends a connection establishment success to NAS despite connection setup validation returning failure, leading to denial of service. This affects various Snapdragon products.

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

Improper Handling of Exceptional Conditions

Weakness Enumeration

CWE-755

Related Identifiers

CVE-2020-11243

Affected Products

Snapdragon Auto

Snapdragon Compute

Snapdragon Connectivity

Snapdragon Mobile

References · 4

• https://qualcomm.com/company/product-security/bulletins/april-2021-bulletin · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-11243 · Security Note
• https://t.me/cvenotify/12793 · Telegram Post
• https://t.me/cvenotify/13110 · Telegram Post