VulnerabilityModified

CVE-2021-21724

A ZTE product has a memory leak vulnerability.

MEDIUM 4.4EPSS 0.36%

Does this matter?

Lower severity and a low EPSS score (0.36%). Track it; it rarely justifies an emergency change on its own.

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 3.1: 4.4 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.36% probability · 29th percentile
CISA KEV: Not listed
Weakness: CWE-401
Affected: zte/zxr10 8900e firmware
Source: psirt@zte.com.cn

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.