Improper input validation in ZTE Zxone 19700
CVE-2021-21726
Some ZTE products have an input verification vulnerability in the diagnostic function interface. Due to insufficient verification of some parameters input by users, an attacker with high privileges can cause process exception by repeatedly inputting illegal parameters. This affects:<ZXONE 9700 , ZXONE 8700, ZXONE 19700><V1.40.021.021CP049, V1.0P02B219_@NCPM-RELEASE_2.40R1-20200914.set>
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.004 (28.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- ZTE Zxone 19700
- ZTE Zxone 19700 Firmware — versions 1.0p02b219_@ncpm-release_2.40r1-20200914.set, 1.0p02b219_\@ncpm-release_2.40r1-20200914.set
- ZTE Zxone 8700
- ZTE Zxone 8700 Firmware — versions 1.40.021.021cp049
- ZTE Zxone 9700
- ZTE Zxone 9700 Firmware — versions 1.40.021.021cp049
- <zxone 9700 , Zxone 8700, 19700> — versions <V1.40.021.021CP049, V1.0P02B219_@NCPM-RELEASE_2.40R1-20200914.set>
Weakness classification (CWE)
References
- support.zte.com.cn/support/news/LoopholeInfoDetail.aspx (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-21726?
- CVE-2021-21726 is a low-severity vulnerability in ZTE Zxone 19700, classified under Improper Input Validation. CVSS score: 2.3/10. Published 2021-03-12.
- How severe is CVE-2021-21726?
- Low severity. CVSS v3 base score is 2.3 out of 10.