What is the CVSS score of CVE-2020-1789?

CVE-2020-1789 has a CVSS 3.1 base score of 6.8 (Medium). CVSS vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Osca 550 Firmware CVE-2020-1789

MEDIUM

Improper Authentication (CWE-287)

2020-02-18 psirt@huawei.com

Huawei Authentication Bypass Osca 550 Firmware Osca 550A Firmware Osca 550Ax Firmware Osca 550X Firmware

6.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.8 MEDIUM

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

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:H/I:H/A:H

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Feb 18, 2020 - 03:15 nvd

MEDIUM 6.8

DescriptionNVD

Huawei OSCA-550, OSCA-550A, OSCA-550AX, and OSCA-550X products with version 1.0.1.21(SP3) have an insufficient authentication vulnerability. The software does not require a strong credential when the user trying to do certain operations. Successful exploit could allow an attacker to pass the authentication and do certain operations by a weak credential.

AnalysisAI

Huawei OSCA-550, OSCA-550A, OSCA-550AX, and OSCA-550X products with version 1.0.1.21(SP3) have an insufficient authentication vulnerability. Rated medium severity (CVSS 6.8), 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 OSCA-550, OSCA-550A, OSCA-550AX, and OSCA-550X products with version 1.0.1.21(SP3) have an insufficient authentication vulnerability. The software does not require a strong credential when the user trying to do certain operations. Successful exploit could allow an attacker to pass the authentication and do certain operations by a weak credential. Affected products include: Huawei Osca-550 Firmware, Huawei Osca-550A Firmware, Huawei Osca-550Ax Firmware, Huawei Osca-550X Firmware. Version information: version 1.0.1.21.

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.