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01 Record

CVE-2021-39981

Chang Lian application has a vulnerability which can be maliciously exploited to hide the calling number.Successful exploitation of this vulnerability allows you to make an anonymous call.

UnratedPUBLISHEDCNA: huawei
CNA base scoreUnratedNo CNA CVSS vector

02 Description

Chang Lian application has a vulnerability which can be maliciously exploited to hide the calling number.Successful exploitation of this vulnerability allows you to make an anonymous call.

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
0.48% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 41.5% of scored records. A rank, not a probability.
NVD base score
5.3 (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:N/I:L/A:N
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
2022-01-03 21:07Z4 YR AGO
Last updated
2024-08-04 02:20Z2 YR AGO
Reserved
2021-08-23
Assigning CNA
huawei
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
2770212d46e7b1101e801d5aed19da34ecebffb8d82f899e341aecd181165b75

05 Affected products

VendorProductVersionsPlatforms
HuaweiHarmonyOS2.0—

06 References