How severe is CVE-2020-1786?

CVE-2020-1786 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-2020-1786 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1786?

CVE-2020-1786 affects Huawei Mate 20 Pro Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-1786?

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

When was CVE-2020-1786 published?

CVE-2020-1786 was published on 2020-01-09 and last updated on 2026-06-17.

CVE-2020-1786

CVE-2020-1786 is a medium-severity vulnerability in Huawei Mate 20 Pro 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% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Huawei Mate 20 Pro Firmware
Published: 2020-01-09
Last modified: 2026-06-17

Description

HUAWEI Mate 20 Pro smartphones versions earlier than 10.0.0.175(C00E69R3P8) have an improper authentication vulnerability. The software does not sufficiently validate the name of apk file in a special condition which could allow an attacker to forge a crafted application as a normal one. Successful exploit could allow the attacker to bypass digital balance function.

Frequently asked questions

What is CVE-2020-1786?: HUAWEI Mate 20 Pro smartphones versions earlier than 10.0.0.175(C00E69R3P8) have an improper authentication vulnerability. The software does not sufficiently validate the name of apk file in a special condition which could allow an attacker to forge a crafted application as a normal one. Successful exploit could allow the attacker to bypass digital balance function.
How severe is CVE-2020-1786?: CVE-2020-1786 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-2020-1786 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1786?: CVE-2020-1786 affects Huawei Mate 20 Pro Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1786?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1786 published?: CVE-2020-1786 was published on 2020-01-09 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200108-01-smartphone-en

Affected products (1)

cpe:2.3:o:huawei:mate_20_pro_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Huawei Mate 20 Pro 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-2020-9080 — High (CVSS 7.8): There is an improper privilege management vulnerability in Huawei smart phone product. A local, authenticated attacker…
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-2019-5250 — High (CVSS 7.8): Mate 20 Pro smartphones with versions earlier than 9.1.0.135(C00E133R3P1) have an improper authorization vulnerability.…
CVE-2020-9244 — Medium (CVSS 6.8): HUAWEI Mate 20 versions Versions earlier than 10.1.0.160(C00E160R3P8);HUAWEI Mate 20 Pro versions Versions earlier than…

All CVEs affecting Huawei Mate 20 Pro 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 →