VulnerabilityAnalyzed

CVE-2021-22484

Some Huawei wearables have a vulnerability of not verifying the actual data size when reading data.

HIGH 7.5EPSS 0.29%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Some Huawei wearables have a vulnerability of not verifying the actual data size when reading data. Successful exploitation of this vulnerability may cause a server out of memory (OOM).

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.29% probability · 21th percentile
CISA KEV: Not listed
Weakness: CWE-20, CWE-125
Affected: huawei/harmonyos
Source: psirt@huawei.com

References

https://device.harmonyos.com/en/docs/security/update/security-bulletins-wearables-202108-0000001135186780Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.