What is the CVSS score of CVE-2021-21733?

CVE-2021-21733 has a CVSS 3.1 base score of 4.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.8%.

Zxcdn CVE-2021-21733

MEDIUM

Information Exposure (CWE-200)

2021-05-19 psirt@zte.com.cn

Information Disclosure Zxcdn

4.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.9 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

May 19, 2021 - 12:15 nvd

MEDIUM 4.9

DescriptionNVD

The management system of ZXCDN is impacted by the information leak vulnerability. Attackers can make further analysis according to the information returned by the program, and then obtain some sensitive information. This affects ZXCDN V7.01 all versions up to IAMV7.01.01.02.

AnalysisAI

The management system of ZXCDN is impacted by the information leak vulnerability. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. The management system of ZXCDN is impacted by the information leak vulnerability. Attackers can make further analysis according to the information returned by the program, and then obtain some sensitive information. This affects ZXCDN V7.01 all versions up to IAMV7.01.01.02. Affected products include: Zte Zxcdn.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.