CVE-2021-39997
CVE-2021-39997 is a critical-severity vulnerability in Huawei Emui with a CVSS 3.x base score of 9.8. 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-119.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (54th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Huawei Emui
- Published:
- Last modified:
Description
There is a vulnerability of unstrict input parameter verification in the audio assembly.Successful exploitation of this vulnerability may cause out-of-bounds access.
Frequently asked questions
- What is CVE-2021-39997?
- There is a vulnerability of unstrict input parameter verification in the audio assembly.Successful exploitation of this vulnerability may cause out-of-bounds access.
- How severe is CVE-2021-39997?
- CVE-2021-39997 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-39997 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-39997?
- CVE-2021-39997 affects Huawei Emui. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-39997?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-39997 published?
- CVE-2021-39997 was published on 2022-02-09 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:*
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