How severe is CVE-2020-1812?

CVE-2020-1812 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-1812 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1812?

CVE-2020-1812 affects Huawei P30 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-1812?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-1812 published?

CVE-2020-1812 was published on 2020-02-18 and last updated on 2026-06-17.

CVE-2020-1812

CVE-2020-1812 is a high-severity vulnerability in Huawei P30 Firmware with a CVSS 3.x base score of 7.8. 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: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Huawei P30 Firmware
Published: 2020-02-18
Last modified: 2026-06-17

Description

HUAWEI P30 smartphones with versions earlier than 10.0.0.173(C00E73R1P11) have an improper authentication vulnerability. Due to improperly validation of certain application, an attacker should trick the user into installing a malicious application to exploit this vulnerability. Successful exploit could allow the attacker to bypass the authentication to perform unauthorized operations.

Frequently asked questions

What is CVE-2020-1812?: HUAWEI P30 smartphones with versions earlier than 10.0.0.173(C00E73R1P11) have an improper authentication vulnerability. Due to improperly validation of certain application, an attacker should trick the user into installing a malicious application to exploit this vulnerability. Successful exploit could allow the attacker to bypass the authentication to perform unauthorized operations.
How severe is CVE-2020-1812?: CVE-2020-1812 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-1812 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1812?: CVE-2020-1812 affects Huawei P30 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1812?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-1812 published?: CVE-2020-1812 was published on 2020-02-18 and last updated on 2026-06-17.

References

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200120-01-smartphone-en

Affected products (1)

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

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Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
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…

Browse all CWE-287 (Improper Authentication) vulnerabilities →