What is the CVSS score of CVE-2021-21725?

CVE-2021-21725 has a CVSS 3.1 base score of 5.7 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.5%.

Zxhn H196Q Firmware CVE-2021-21725

MEDIUM

Incorrect Authorization (CWE-863)

2021-03-05 psirt@zte.com.cn

Zte Authentication Bypass Zxhn H196Q Firmware

5.7

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.7 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Mar 05, 2021 - 17:15 nvd

MEDIUM 5.7

DescriptionNVD

A ZTE product has an information leak vulnerability. An attacker with higher authority can go beyond their authority to access files in other directories by performing specific operations, resulting in information leak. This affects: ZXHN H196Q V9.1.0C2.

AnalysisAI

A ZTE product has an information leak vulnerability. Rated medium severity (CVSS 5.7), this vulnerability is 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. A ZTE product has an information leak vulnerability. An attacker with higher authority can go beyond their authority to access files in other directories by performing specific operations, resulting in information leak. This affects: ZXHN H196Q V9.1.0C2. Affected products include: Zte Zxhn H196Q 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.