Vulnerability CVE-2021-1921

Vulnerability Name:

CVE-2021-1921 (CCN-213485)

Assigned:

2020-12-08

Published:

2021-11-01

Updated:

2021-11-15

Summary:

Possible memory corruption due to Improper handling of hypervisor unmap operations for concurrent memory operations in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

CVSS v3 Severity:

7.0 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.1 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): High Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

6.9 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-367

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2021-1921

Source: XF
Type: UNKNOWN
qualcomm-cve20211921-code-exec(213485)

Source: CCN
Type: Qualcomm Web site
November 2021 Security Bulletin

Vulnerable Configuration:

Configuration CCN 1:

cpe:/h:qualcomm:snapdragon_mobile:-:*:*:*:*:*:*:*

OR cpe:/h:qualcomm:snapdragon_auto:-:*:*:*:*:*:*:*

OR cpe:/h:qualcomm:snapdragon_compute:-:*:*:*:*:*:*:*

OR cpe:/h:qualcomm:snapdragon_connectivity:-:*:*:*:*:*:*:*

OR cpe:/h:qualcomm:snapdragon_consumer_internet_of_things:-:*:*:*:*:*:*:*

OR cpe:/h:qualcomm:snapdragon_industrial_internet_of_things:-:*:*:*:*:*:*:*

Denotes that component is vulnerable

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