CVE-2021-21724 — MEDIUM (4.4)

Q: How severe is CVE-2021-21724?

CVE-2021-21724 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-21724?

Check the references section above for vendor advisories and patch information. Affected products include: Zte Zxr10 8900E Firmware, Zte Zxr10 8900E.

Vulnerability 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 Score

4.4

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Zte	Zxr10 8900E Firmware	<= 3.03.20r2b30p1
Zte	Zxr10 8900E	-

Related Weaknesses (CWE)

CWE-401

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

FAQ

What is CVE-2021-21724?

CVE-2021-21724 is a vulnerability with a CVSS score of 4.4 (MEDIUM). 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...

How severe is CVE-2021-21724?

CVE-2021-21724 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-21724?

Check the references section above for vendor advisories and patch information. Affected products include: Zte Zxr10 8900E Firmware, Zte Zxr10 8900E.