What is the CVSS score of CVE-2020-1798?

CVE-2020-1798 has a CVSS 3.1 base score of 4.6 (Medium). CVSS vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.2%.

P30 Firmware CVE-2020-1798

MEDIUM

Improper Authentication (CWE-287)

2020-05-29 psirt@huawei.com

Huawei Authentication Bypass P30 Firmware

4.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.6 MEDIUM

AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

May 29, 2020 - 19:15 nvd

MEDIUM 4.6

DescriptionNVD

HUAWEI P30 smartphones with versions earlier than 10.1.0.135(C00E135R2P11) have an improper authentication vulnerability. A logic error occurs when handling NFC work, an attacker should establish a NFC connection to the target phone, and then do a series of operations on the target phone. Successful exploit could allow a guest user do certain operation which is beyond the guest user's privilege.

AnalysisAI

HUAWEI P30 smartphones with versions earlier than 10.1.0.135(C00E135R2P11) have an improper authentication vulnerability. Rated medium severity (CVSS 4.6), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. HUAWEI P30 smartphones with versions earlier than 10.1.0.135(C00E135R2P11) have an improper authentication vulnerability. A logic error occurs when handling NFC work, an attacker should establish a NFC connection to the target phone, and then do a series of operations on the target phone. Successful exploit could allow a guest user do certain operation which is beyond the guest user's privilege. Affected products include: Huawei P30 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.