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01 Record

CVE-2021-22308

There is a Business Logic Errors vulnerability in Huawei Smartphone. The malicious apps installed on the device can keep taking screenshots in the background. This issue does not cause system errors,

UnratedPUBLISHEDCNA: huawei
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

There is a Business Logic Errors vulnerability in Huawei Smartphone. The malicious apps installed on the device can keep taking screenshots in the background. This issue does not cause system errors,

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
0.17% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 6.3% of scored records. A rank, not a probability.
NVD base score
3.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/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
2021-06-03 15:15Z5 YR AGO
Last updated
2024-08-03 18:37Z2 YR AGO
Reserved
2021-01-05
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
d403b2250ee37a71cfa8c7128f3c55123a6393b842f21c33fb876a2f08c468d9

05 Affected products

VendorProductVersionsPlatforms
n/aEMUI;Magic UIEMUI 11.0.0,EMUI 10.1.1,EMUI 10.1.0,EMUI 10.0.0, Magic UI 4.0.0,Magic UI 3.1.1,Magic UI 3.1.0,Magic UI 3.0.0—

06 References