SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-22296

A component of HarmonyOS 2.0 has a DoS vulnerability.

MEDIUM 5.5EPSS 0.21%

Does this matter?

Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.

Description

A component of HarmonyOS 2.0 has a DoS vulnerability. Local attackers may exploit this vulnerability to mount a file system to the target device, causing DoS of the file system.

CVSS 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0.21% probability · 11th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
huawei/harmonyos
Source
psirt@huawei.com
EPSS trend
0%3%5%27 October 2026: 0.21%27 October 202627 October 2026

EPSS 0.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.