PatchTheCVECVE-2020-9211: There is an out-of-bound read and write vulnerability in Huawei smartphone
CVE-2020-9211 is a medium-severity flaw (CVSS 6.4) affecting mate 30 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
There is an out-of-bound read and write vulnerability in Huawei smartphone. A module dose not verify the input sufficiently. Attackers can exploit this vulnerability by modifying some configuration to cause out-of-bound read and write, causing denial of service. (Vulnerability ID: HWPSIRT-2020-05103) This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9211.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-9211?
mate 30 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2020-9211 being exploited?
CVE-2020-9211 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-9211 affect?
CVE-2020-9211 affects mate 30 firmware. Severity is medium (CVSS 6.4). There is an out-of-bound read and write vulnerability in Huawei smartphone. A module dose not verify the input sufficiently. Attackers can exploit this vulnerability by modifying some configuration to cause out-of-bound read and write, caus
How urgent is CVE-2020-9211?
Priority 26/100. No elevated risk signals yet.