How severe is CVE-2020-9259?

CVE-2020-9259 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-9259 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9259?

CVE-2020-9259 affects Huawei Honor V30 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9259?

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

When was CVE-2020-9259 published?

CVE-2020-9259 was published on 2020-07-17 and last updated on 2026-06-17.

CVE-2020-9259

CVE-2020-9259 is a medium-severity vulnerability in Huawei Honor V30 Firmware with a CVSS 3.x base score of 6.5. 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Huawei Honor V30 Firmware
Published: 2020-07-17
Last modified: 2026-06-17

Description

Huawei Honor V30 smartphones with versions earlier than 10.1.0.212(C00E210R5P1) have an improper authentication vulnerability. The system does not sufficiently validate certain parameter passed from the bottom level, the attacker should trick the user into installing a malicious application and control the bottom level, successful exploit could cause information disclosure.

Frequently asked questions

What is CVE-2020-9259?: Huawei Honor V30 smartphones with versions earlier than 10.1.0.212(C00E210R5P1) have an improper authentication vulnerability. The system does not sufficiently validate certain parameter passed from the bottom level, the attacker should trick the user into installing a malicious application and control the bottom level, successful exploit could cause information disclosure.
How severe is CVE-2020-9259?: CVE-2020-9259 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-9259 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9259?: CVE-2020-9259 affects Huawei Honor V30 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9259?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-9259 published?: CVE-2020-9259 was published on 2020-07-17 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200715-02-smartphone-en

Affected products (1)

cpe:2.3:o:huawei:honor_v30_firmware:*:*:*:*:*:*:*:*

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