What is the CVSS score of CVE-2018-7941?

CVE-2018-7941 has a CVSS 3.0 base score of 8.8 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.8%.

Ch121 V3 Firmware CVE-2018-7941

HIGH

Improper Authentication (CWE-287)

2018-05-10 psirt@huawei.com

Authentication Bypass Huawei Ch121 V3 Firmware Ch121L V3 Firmware Ch140 V3 Firmware Ch140L V3 Firmware Ch220 V3 Firmware Ch222 V3 Firmware Ch242 V3 Firmware Rh1288 V3 Firmware Rh2288 V3 Firmware Rh2288H V3 Firmware Xh310 V3 Firmware Xh321 V3 Firmware Xh620 V3 Firmware Ch121 V5 Firmware Ch121L V5 Firmware Ch242 V5 Firmware 1288H V5 Firmware 2288H V5 Firmware 2488 V5 Firmware Xh321 V5 Firmware

8.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 10, 2018 - 14:29 nvd

HIGH 8.8

DescriptionNVD

Huawei iBMC V200R002C60 have an authentication bypass vulnerability. A remote attacker with low privilege may craft specific messages to upload authentication certificate to the affected products. Due to improper validation of the upload authority, successful exploit may cause privilege elevation.

AnalysisAI

Huawei iBMC V200R002C60 have an authentication bypass vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, 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 iBMC V200R002C60 have an authentication bypass vulnerability. A remote attacker with low privilege may craft specific messages to upload authentication certificate to the affected products. Due to improper validation of the upload authority, successful exploit may cause privilege elevation. Affected products include: Huawei Ch121 V3 Firmware, Huawei Ch121L V3 Firmware, Huawei Ch140 V3 Firmware, Huawei Ch140L V3 Firmware, Huawei Ch220 V3 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.