How severe is CVE-2020-1838?

CVE-2020-1838 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 high, and availability none.

Is CVE-2020-1838 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1838?

CVE-2020-1838 affects Huawei Mate 30 Pro Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-1838?

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

When was CVE-2020-1838 published?

CVE-2020-1838 was published on 2020-07-06 and last updated on 2026-06-17.

CVE-2020-1838

CVE-2020-1838 is a medium-severity vulnerability in Huawei Mate 30 Pro 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 1.9
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Huawei Mate 30 Pro Firmware
Published: 2020-07-06
Last modified: 2026-06-17

Description

HUAWEI Mate 30 Pro with versions earlier than 10.1.0.150(C00E136R5P3) have is an improper authentication vulnerability. The device does not sufficiently validate certain credential of user's face, an attacker could craft the credential of the user, successful exploit could allow the attacker to pass the authentication with the crafted credential.

Frequently asked questions

What is CVE-2020-1838?: HUAWEI Mate 30 Pro with versions earlier than 10.1.0.150(C00E136R5P3) have is an improper authentication vulnerability. The device does not sufficiently validate certain credential of user's face, an attacker could craft the credential of the user, successful exploit could allow the attacker to pass the authentication with the crafted credential.
How severe is CVE-2020-1838?: CVE-2020-1838 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 high, and availability none.
Is CVE-2020-1838 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1838?: CVE-2020-1838 affects Huawei Mate 30 Pro Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1838?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1838 published?: CVE-2020-1838 was published on 2020-07-06 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200701-03-smartphone-en

Affected products (1)

cpe:2.3:o:huawei:mate_30_pro_firmware:*:*:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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