CVE-2021-30321 | BDVDB-2026-164263 Detail

QualcommSnapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity

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

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

No weakness recorded in the source data.

References#

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

Exploit#

No public exploit known

History#

Version 12021-11-12Record published in the CVE List.
Version 22024-08-03Most recent update recorded in the CVE List.

Published

Published: 2021-11-12
Last modified: 2024-08-03

Vendor information

Vendor: Qualcomm
Product: Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity

All Qualcomm vulnerabilities

Score

9.8 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 56.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
AQT1000, QCA1062, QCA1064, QCA2066, QCA6320, QCA6391, QCA6420, QCA6430, SC8280XP, SD 8CX, WCD9340, WCD9341, WCD9380, WCD9385, WCN3998, WCN6850, WCN6851, WCN6855, WCN6856, WSA8810, WSA8815, WSA8830, WSA8835
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).