CVE-2021-40002
CVE-2021-40002 is a high-severity vulnerability in Huawei Harmonyos with a CVSS 3.x base score of 8.8. 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-787.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 5.8
- EPSS exploit prediction: 0% (30th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Huawei Harmonyos
- Published:
- Last modified:
Description
The Bluetooth module has an out-of-bounds write vulnerability. Successful exploitation of this vulnerability may result in malicious command execution at the remote end.
Frequently asked questions
- What is CVE-2021-40002?
- The Bluetooth module has an out-of-bounds write vulnerability. Successful exploitation of this vulnerability may result in malicious command execution at the remote end.
- How severe is CVE-2021-40002?
- CVE-2021-40002 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-40002 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-40002?
- CVE-2021-40002 affects Huawei Harmonyos. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-40002?
- 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-2021-40002 published?
- CVE-2021-40002 was published on 2022-01-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:*
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