CVE-2021-39970
CVE-2021-39970 is a high-severity vulnerability in Huawei Harmonyos with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Huawei Harmonyos
- Published:
- Last modified:
Description
HwPCAssistant has a Improper Input Validation vulnerability.Successful exploitation of this vulnerability may create any file with the system app permission.
Frequently asked questions
- What is CVE-2021-39970?
- HwPCAssistant has a Improper Input Validation vulnerability.Successful exploitation of this vulnerability may create any file with the system app permission.
- How severe is CVE-2021-39970?
- CVE-2021-39970 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2021-39970 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-39970?
- CVE-2021-39970 affects Huawei Harmonyos. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-39970?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-39970 published?
- CVE-2021-39970 was published on 2022-01-03 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:*
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