How severe is CVE-2020-9073?

CVE-2020-9073 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2020-9073 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-2020-9073?

CVE-2020-9073 affects Huawei P20 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9073?

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

When was CVE-2020-9073 published?

CVE-2020-9073 was published on 2020-05-15 and last updated on 2026-06-17.

CVE-2020-9073

CVE-2020-9073 is a low-severity vulnerability in Huawei P20 Firmware with a CVSS 3.x base score of 2.4. 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: Low (CVSS 3.x base score 2.4)
CVSS v2: 2.1
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Huawei P20 Firmware
Published: 2020-05-15
Last modified: 2026-06-17

Description

Huawei P20 smartphones with versions earlier than 10.0.0.156(C00E156R1P4) have an improper authentication vulnerability. The vulnerability is due to that when an user wants to do certain operation, the software insufficiently validate the user's identity. Attackers need to physically access the smartphone to exploit this vulnerability. Successful exploit could allow the attacker to bypass the limit of student mode function.

Frequently asked questions

What is CVE-2020-9073?: Huawei P20 smartphones with versions earlier than 10.0.0.156(C00E156R1P4) have an improper authentication vulnerability. The vulnerability is due to that when an user wants to do certain operation, the software insufficiently validate the user's identity. Attackers need to physically access the smartphone to exploit this vulnerability. Successful exploit could allow the attacker to bypass the limit of student mode function.
How severe is CVE-2020-9073?: CVE-2020-9073 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2020-9073 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-2020-9073?: CVE-2020-9073 affects Huawei P20 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9073?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-9073 published?: CVE-2020-9073 was published on 2020-05-15 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200513-01-smartphone-en

Affected products (1)

cpe:2.3:o:huawei:p20_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 →