CVE-2020-6870

Name: CVE-2020-6870
Creator: NVD / NIST
Published: 2020-06-24T16:15:10.987+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8/10EPSS 0.62%

Last modified Jun 17, 2026

CVE-2020-6870 is a high-severity vulnerability rated 8/10 on the CVSS scale. The version V12.17.20T115 of ZTE U31R20 product is impacted by a design error vulnerability. An attacker could exploit the vulnerability to log in to the FTP server to tamper with the password, and illegally download, modify, upload, or delete files, causing improper operation of the network management system and equipment. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

The version V12.17.20T115 of ZTE U31R20 product is impacted by a design error vulnerability. An attacker could exploit the vulnerability to log in to the FTP server to tamper with the password, and illegally download, modify, upload, or delete files, causing improper operation of the network management system and equipment. This affects: NetNumenU31R20 V12.17.20T115

Metrics

CVSS 3.1

8/10

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

EPSS Probability

0.62%

45.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Zte	Netnumen U31 R10 Firmware	v12.17.20t115

References

http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1013043Vendor Advisory
http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1013043Vendor Advisory

Timeline

Published: Jun 24, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-6870?

How severe is CVE-2020-6870?

CVE-2020-6870 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.

How do I fix CVE-2020-6870?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-6870?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST