CVE-2021-32486 : In modem 2G RRM, there is a possible system crash due to a heap buffer overflow.

In modem 2G RRM, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00500621; Issue ID: ALPS04964928.

Published 2021-09-09 16:15:08

Updated 2021-09-21 19:40:01

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowMemory CorruptionDenial of service

Products affected by CVE-2021-32486

Mediatek » Modem » Version: Lr12a
cpe:2.3:o:mediatek:modem:lr12a:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6739 » Version: N/A
When used together with: Mediatek » Mt6761 » Version: N/A
When used together with: Mediatek » Mt6762 » Version: N/A
When used together with: Mediatek » Mt6762d » Version: N/A
When used together with: Mediatek » Mt6762m » Version: N/A
When used together with: Mediatek » Mt6763 » Version: N/A
When used together with: Mediatek » Mt6765 » Version: N/A
When used together with: Mediatek » Mt6765t » Version: N/A
When used together with: Mediatek » Mt6767 » Version: N/A
When used together with: Mediatek » Mt6768 » Version: N/A
When used together with: Mediatek » Mt6769 » Version: N/A
When used together with: Mediatek » Mt6769t » Version: N/A
When used together with: Mediatek » Mt6769z » Version: N/A
When used together with: Mediatek » Mt6771 » Version: N/A
When used together with: Mediatek » Mt6779 » Version: N/A
When used together with: Mediatek » Mt6783 » Version: N/A
When used together with: Mediatek » Mt6785 » Version: N/A
When used together with: Mediatek » Mt6785t » Version: N/A
Mediatek » Modem » Version: Lr13
cpe:2.3:o:mediatek:modem:lr13:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6739 » Version: N/A
When used together with: Mediatek » Mt6761 » Version: N/A
When used together with: Mediatek » Mt6762 » Version: N/A
When used together with: Mediatek » Mt6762d » Version: N/A
When used together with: Mediatek » Mt6762m » Version: N/A
When used together with: Mediatek » Mt6763 » Version: N/A
When used together with: Mediatek » Mt6765 » Version: N/A
When used together with: Mediatek » Mt6765t » Version: N/A
When used together with: Mediatek » Mt6767 » Version: N/A
When used together with: Mediatek » Mt6768 » Version: N/A
When used together with: Mediatek » Mt6769 » Version: N/A
When used together with: Mediatek » Mt6769t » Version: N/A
When used together with: Mediatek » Mt6769z » Version: N/A
When used together with: Mediatek » Mt6771 » Version: N/A
When used together with: Mediatek » Mt6779 » Version: N/A
When used together with: Mediatek » Mt6783 » Version: N/A
When used together with: Mediatek » Mt6785 » Version: N/A
When used together with: Mediatek » Mt6785t » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-32486

EPSS FAQ

5.07%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 89 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-32486

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.8	HIGH	AV:N/AC:L/Au:N/C:N/I:N/A:C	10.0	6.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2021-32486

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-32486

https://corp.mediatek.com/product-security-bulletin/September-2021

September 2021
Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2021-32486

Products affected by CVE-2021-32486

Exploit prediction scoring system (EPSS) score for CVE-2021-32486

CVSS scores for CVE-2021-32486

CWE ids for CVE-2021-32486

References for CVE-2021-32486