CVE-2021-21724 Information

Description

A ZTE product has a memory leak vulnerability. Due to the product’s improper handling of memory release in certain scenarios a local attacker with device permissions repeatedly attenuated the optical signal to cause memory leak and abnormal service. This affects: ZXR10 8900E all versions up to V3.03.20R2B30P1.

CVSS Vector

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

Reference

http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014584

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

4.4