CVE-2021-22429

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

0.89% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 56.9% 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.

Published

2022-02-25 18:11Z4 YR AGO

Last updated

2024-08-03 18:44Z2 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

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

b91ca99c70d255aad4d10eb0ba09e245f685dc579e12c5d2171b13de1cdc9ad5

• consumer.huawei.comhttps://consumer.huawei.com/en/support/bulletin/2021/6/x_refsource_MISC
• device.harmonyos.comhttps://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202107-0000001170634565x_refsource_MISC