How severe is CVE-2021-22294?

CVE-2021-22294 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2021-22294 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22294?

CVE-2021-22294 affects Huawei Harmonyos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-22294?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-22294 published?

CVE-2021-22294 was published on 2021-03-02 and last updated on 2026-06-17.

CVE-2021-22294

CVE-2021-22294 is a low-severity vulnerability in Huawei Harmonyos with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 2.1
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Huawei Harmonyos
Published: 2021-03-02
Last modified: 2026-06-17

Description

A component API of the HarmonyOS 2.0 has a permission bypass vulnerability. Local attackers may exploit this vulnerability to issue commands repeatedly, exhausting system service resources.

Frequently asked questions

What is CVE-2021-22294?: A component API of the HarmonyOS 2.0 has a permission bypass vulnerability. Local attackers may exploit this vulnerability to issue commands repeatedly, exhausting system service resources.
How severe is CVE-2021-22294?: CVE-2021-22294 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2021-22294 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22294?: CVE-2021-22294 affects Huawei Harmonyos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-22294?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-22294 published?: CVE-2021-22294 was published on 2021-03-02 and last updated on 2026-06-17.

References

https://gitee.com/openharmony/security/blob/master/zh/security-disclosure/2021/2021-03.md

Affected products (1)

cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:*

More vulnerabilities in Huawei Harmonyos

CVE-2023-34157 — Critical (CVSS 10.0): Vulnerability of HwWatchHealth being hijacked.Successful exploitation of this vulnerability may cause repeated pop-up…
CVE-2023-52381 — Critical (CVSS 9.8): Script injection vulnerability in the email module.Successful exploitation of this vulnerability may affect service…
CVE-2023-52378 — Critical (CVSS 9.8): Vulnerability of incorrect service logic in the WindowManagerServices module.Successful exploitation of this…
CVE-2023-52370 — Critical (CVSS 9.8): Stack overflow vulnerability in the network acceleration module.Successful exploitation of this vulnerability may cause…
CVE-2023-52103 — Critical (CVSS 9.8): Buffer overflow vulnerability in the FLP module. Successful exploitation of this vulnerability may cause out-of-bounds…
CVE-2023-46773 — Critical (CVSS 9.8): Permission management vulnerability in the PMS module. Successful exploitation of this vulnerability may cause…

All CVEs affecting Huawei Harmonyos →