How severe is CVE-2020-9258?

CVE-2020-9258 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 high, integrity none, and availability none.

Is CVE-2020-9258 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9258?

CVE-2020-9258 affects Huawei P30 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9258?

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

When was CVE-2020-9258 published?

CVE-2020-9258 was published on 2020-07-10 and last updated on 2026-06-17.

CVE-2020-9258

CVE-2020-9258 is a medium-severity vulnerability in Huawei P30 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 1.9
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Huawei P30 Firmware
Published: 2020-07-10
Last modified: 2026-06-17

Description

HUAWEI P30 smartphone with versions earlier than 10.1.0.135(C00E135R2P11) have an improper input verification vulnerability. An attribution in a module is not set correctly and some verification is lacked. Attackers with local access can exploit this vulnerability by injecting malicious fragment. This may lead to user information leak.

Frequently asked questions

What is CVE-2020-9258?: HUAWEI P30 smartphone with versions earlier than 10.1.0.135(C00E135R2P11) have an improper input verification vulnerability. An attribution in a module is not set correctly and some verification is lacked. Attackers with local access can exploit this vulnerability by injecting malicious fragment. This may lead to user information leak.
How severe is CVE-2020-9258?: CVE-2020-9258 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 high, integrity none, and availability none.
Is CVE-2020-9258 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9258?: CVE-2020-9258 affects Huawei P30 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9258?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-9258 published?: CVE-2020-9258 was published on 2020-07-10 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200708-02-smartphone-en

Affected products (1)

cpe:2.3:o:huawei:p30_firmware:*:*:*:*:*:*:*:*

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