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01 Record

CVE-2021-37022

There is a Heap-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability will cause root permission which can be escalated.

UnratedPUBLISHEDCNA: huawei
CNA base scoreUnratedNo CNA CVSS vector

02 Description

There is a Heap-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability will cause root permission which can be escalated.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.95% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 61.2% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-11-23 15:26Z4 YR AGO
Last updated
2024-08-04 01:09Z2 YR AGO
Reserved
2021-07-20
Assigning CNA
huawei
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
294b675e7b5055ac5d20e5371f9877406f730b5c1e2df2757dda9d762301d50d

05 Affected products

VendorProductVersionsPlatforms
HuaweiHarmonyOS2.0—

06 References