CVE-2021-39978
CVE-2021-39978 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-89.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Huawei Harmonyos
- Published:
- Last modified:
Description
Telephony application has a SQL Injection vulnerability.Successful exploitation of this vulnerability may cause privacy and security issues.
Frequently asked questions
- What is CVE-2021-39978?
- Telephony application has a SQL Injection vulnerability.Successful exploitation of this vulnerability may cause privacy and security issues.
- How severe is CVE-2021-39978?
- CVE-2021-39978 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 high, integrity none, and availability none.
- Is CVE-2021-39978 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-39978?
- CVE-2021-39978 affects Huawei Harmonyos. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-39978?
- 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-2021-39978 published?
- CVE-2021-39978 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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