How severe is CVE-2020-1798?

CVE-2020-1798 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-1798 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-2020-1798?

CVE-2020-1798 affects Huawei P30 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-1798?

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

When was CVE-2020-1798 published?

CVE-2020-1798 was published on 2020-05-29 and last updated on 2026-06-17.

CVE-2020-1798

CVE-2020-1798 is a medium-severity vulnerability in Huawei P30 Firmware with a CVSS 3.x base score of 4.6. 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 4.6)
CVSS v2: 2.1
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Huawei P30 Firmware
Published: 2020-05-29
Last modified: 2026-06-17

Description

HUAWEI P30 smartphones with versions earlier than 10.1.0.135(C00E135R2P11) have an improper authentication vulnerability. A logic error occurs when handling NFC work, an attacker should establish a NFC connection to the target phone, and then do a series of operations on the target phone. Successful exploit could allow a guest user do certain operation which is beyond the guest user's privilege.

Frequently asked questions

What is CVE-2020-1798?: HUAWEI P30 smartphones with versions earlier than 10.1.0.135(C00E135R2P11) have an improper authentication vulnerability. A logic error occurs when handling NFC work, an attacker should establish a NFC connection to the target phone, and then do a series of operations on the target phone. Successful exploit could allow a guest user do certain operation which is beyond the guest user's privilege.
How severe is CVE-2020-1798?: CVE-2020-1798 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-1798 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-2020-1798?: CVE-2020-1798 affects Huawei P30 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1798?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1798 published?: CVE-2020-1798 was published on 2020-05-29 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-02-smartphone-en

Affected products (1)

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

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Other CWE-287 (Improper Authentication) vulnerabilities

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