What is the CVSS score of CVE-2021-22398?

CVE-2021-22398 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%.

Hulk Al00C Firmware CVE-2021-22398

MEDIUM

Incorrect Authorization (CWE-863)

2021-08-02 psirt@huawei.com

Authentication Bypass Hulk Al00C Firmware Jennifer An00C Firmware Jenny Al10B Firmware Oxfordpl An10B 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

Aug 02, 2021 - 17:15 nvd

MEDIUM 4.6

DescriptionNVD

There is a logic error vulnerability in several smartphones. The software does not properly restrict certain operation when the Digital Balance function is on. Successful exploit could allow the attacker to bypass the Digital Balance limit after a series of operations. Affected product versions include: Hulk-AL00C 9.1.1.201(C00E201R8P1);Jennifer-AN00C 10.1.1.171(C00E170R6P3);Jenny-AL10B 10.1.0.228(C00E220R5P1) and OxfordPL-AN10B 10.1.0.116(C00E110R2P1).

AnalysisAI

There is a logic error vulnerability in several smartphones. 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 Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. There is a logic error vulnerability in several smartphones. The software does not properly restrict certain operation when the Digital Balance function is on. Successful exploit could allow the attacker to bypass the Digital Balance limit after a series of operations. Affected product versions include: Hulk-AL00C 9.1.1.201(C00E201R8P1);Jennifer-AN00C 10.1.1.171(C00E170R6P3);Jenny-AL10B 10.1.0.228(C00E220R5P1) and OxfordPL-AN10B 10.1.0.116(C00E110R2P1). Affected products include: Huawei Hulk-Al00C Firmware, Huawei Jennifer-An00C Firmware, Huawei Jenny-Al10B Firmware, Huawei Oxfordpl-An10B Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.