Qualcomm Snapdragon Wired Infrastructure and Networking TrustZone memory corruption

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability classified as critical was found in Qualcomm Snapdragon Wired Infrastructure and Networking (Chip Software) (affected version unknown). Affected by this vulnerability is an unknown part of the component TrustZone. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Memory corruption due to lack of check of validation of pointer to buffer passed to trustzone in Snapdragon Wired Infrastructure and Networking

The weakness was shared 06/09/2021. It is possible to read the advisory at qualcomm.com. This vulnerability is known as CVE-2020-11256 since 03/31/2020. The exploitation appears to be easy. The attack needs to be done within the local network. A single authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/11/2021).

Upgrading eliminates this vulnerability.

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CVSSv3infoedit

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: qualcomm.com

Timelineinfoedit

03/31/2020 CVE assigned
06/09/2021 +435 days Advisory disclosed
06/09/2021 +0 days VulDB entry created
06/11/2021 +2 days VulDB last update

Sourcesinfoedit

Vendor: https://www.qualcomm.com/

Advisory: qualcomm.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2020-11256 (🔒)

Entryinfoedit

Created: 06/09/2021 08:25 PM
Updated: 06/11/2021 04:08 PM
Changes: (6) source_cve_assigned source_cve_nvd_summary advisory_confirm_url vulnerability_cvss2_vuldb_tempscore vulnerability_cvss3_vuldb_tempscore vulnerability_cvss3_meta_tempscore
Complete: 🔍

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