How severe is CVE-2020-9077?

CVE-2020-9077 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-9077 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9077?

CVE-2020-9077 affects Huawei P30 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9077?

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

When was CVE-2020-9077 published?

CVE-2020-9077 was published on 2020-07-27 and last updated on 2026-06-17.

CVE-2020-9077

CVE-2020-9077 is a low-severity vulnerability in Huawei P30 Firmware with a CVSS 3.x base score of 3.3. 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 3.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Huawei P30 Firmware
Published: 2020-07-27
Last modified: 2026-06-17

Description

HUAWEI P30 smart phones with versions earlier than 10.1.0.160(C00E160R2P11) have an information exposure vulnerability. The system does not properly authenticate the application that access a specified interface. Attackers can trick users into installing malicious software to exploit this vulnerability and obtain some information about the device. Successful exploit may cause information disclosure.

Frequently asked questions

What is CVE-2020-9077?: HUAWEI P30 smart phones with versions earlier than 10.1.0.160(C00E160R2P11) have an information exposure vulnerability. The system does not properly authenticate the application that access a specified interface. Attackers can trick users into installing malicious software to exploit this vulnerability and obtain some information about the device. Successful exploit may cause information disclosure.
How severe is CVE-2020-9077?: CVE-2020-9077 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-9077 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9077?: CVE-2020-9077 affects Huawei P30 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9077?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-9077 published?: CVE-2020-9077 was published on 2020-07-27 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200722-03-smartphone-en

Affected products (1)

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

More vulnerabilities in Huawei P30 Firmware

CVE-2020-0022 — High (CVSS 8.8): In reassemble_and_dispatch of packet_fragmenter.cc, there is possible out of bounds write due to an incorrect bounds…
CVE-2019-9506 — High (CVSS 8.1): The Bluetooth BR/EDR specification up to and including version 5.1 permits sufficiently low encryption key length and…
CVE-2020-9247 — High (CVSS 7.8): There is a buffer overflow vulnerability in several Huawei products. The system does not sufficiently validate certain…
CVE-2020-9263 — High (CVSS 7.8): HUAWEI Mate 30 versions earlier than 10.1.0.150(C00E136R5P3) and HUAWEI P30 version earlier than…
CVE-2020-1800 — High (CVSS 7.8): HUAWEI smartphones P30 with versions earlier than 10.0.0.185(C00E85R1P11) have an improper access control…
CVE-2020-1812 — High (CVSS 7.8): HUAWEI P30 smartphones with versions earlier than 10.0.0.173(C00E73R1P11) have an improper authentication…

All CVEs affecting Huawei P30 Firmware →

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 →