How severe is CVE-2020-9243?

CVE-2020-9243 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-9243 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9243?

CVE-2020-9243 affects Huawei Mate 30 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9243?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-9243 published?

CVE-2020-9243 was published on 2020-08-10 and last updated on 2026-06-17.

CVE-2020-9243

CVE-2020-9243 is a medium-severity vulnerability in Huawei Mate 30 Firmware with a CVSS 3.x base score of 5.5. 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-674.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-674
Affected product: Huawei Mate 30 Firmware
Published: 2020-08-10
Last modified: 2026-06-17

Description

HUAWEI Mate 30 with versions earlier than 10.1.0.150(C00E136R5P3) have a denial of service vulnerability. The system does not properly limit the depth of recursion, an attacker should trick the user installing and execute a malicious application. Successful exploit could cause a denial of service condition.

Frequently asked questions

What is CVE-2020-9243?: HUAWEI Mate 30 with versions earlier than 10.1.0.150(C00E136R5P3) have a denial of service vulnerability. The system does not properly limit the depth of recursion, an attacker should trick the user installing and execute a malicious application. Successful exploit could cause a denial of service condition.
How severe is CVE-2020-9243?: CVE-2020-9243 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-9243 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9243?: CVE-2020-9243 affects Huawei Mate 30 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9243?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-9243 published?: CVE-2020-9243 was published on 2020-08-10 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200805-03-smartphone-en

Affected products (1)

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

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