How severe is CVE-2020-9261?

CVE-2020-9261 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-9261 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9261?

CVE-2020-9261 affects Huawei Mate 30 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9261?

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-2020-9261 published?

CVE-2020-9261 was published on 2020-07-06 and last updated on 2026-06-17.

CVE-2020-9261

CVE-2020-9261 is a high-severity vulnerability in Huawei Mate 30 Firmware with a CVSS 3.x base score of 7.8. 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-843.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-843
Affected product: Huawei Mate 30 Firmware
Published: 2020-07-06
Last modified: 2026-06-17

Description

HUAWEI Mate 30 with versions earlier than 10.1.0.150(C00E136R5P3) have a type confusion vulnerability. The system does not properly check and transform the type of certain variable, the attacker tricks the user into installing then running a crafted application, successful exploit could cause code execution.

Frequently asked questions

What is CVE-2020-9261?: HUAWEI Mate 30 with versions earlier than 10.1.0.150(C00E136R5P3) have a type confusion vulnerability. The system does not properly check and transform the type of certain variable, the attacker tricks the user into installing then running a crafted application, successful exploit could cause code execution.
How severe is CVE-2020-9261?: CVE-2020-9261 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-9261 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9261?: CVE-2020-9261 affects Huawei Mate 30 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9261?: 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-2020-9261 published?: CVE-2020-9261 was published on 2020-07-06 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200701-05-smartphone-en

Affected products (1)

cpe:2.3:o:huawei:mate_30_firmware:*:*:*:*:*:*:*:*

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