CVE-2021-37053
CVE-2021-37053 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.
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
- Affected product: Huawei Harmonyos
- Published:
- Last modified:
Description
There is a Service logic vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause WLAN DoS.
Frequently asked questions
- What is CVE-2021-37053?
- There is a Service logic vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause WLAN DoS.
- How severe is CVE-2021-37053?
- CVE-2021-37053 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 none, and availability high.
- Is CVE-2021-37053 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-2021-37053?
- CVE-2021-37053 primarily affects Huawei Harmonyos. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-37053?
- 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-2021-37053 published?
- CVE-2021-37053 was published on 2021-12-08 and last updated on 2026-06-17.
References
- https://consumer.huawei.com/en/support/bulletin/2021/9/
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727
- https://consumer.huawei.com/en/support/bulletin/2021/10/
Affected products (11)
- cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:emui:9.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:emui:10.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:emui:10.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:emui:10.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:emui:11.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:magic_ui:3.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:magic_ui:3.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:magic_ui:3.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:magic_ui:4.0.0:*:*:*:*:*:*:*
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