What is CVE-2019-3431?

CVE-2019-3431 is a critical-severity vulnerability in ZTE Zxcloud Goldendata Vap, classified under Missing Encryption of Sensitive Data. CVSS score: 9.8/10. Published 2019-12-23.

How severe is CVE-2019-3431?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in ZTE Zxcloud Goldendata Vap

CVE-2019-3431

All versions up to V4.01.01.02 of ZTE ZXCLOUD GoldenData VAP product have encryption problems vulnerability. Attackers could sniff unencrypted account and password through the network for front-end system access.

Published 2019-12-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (31.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.3% 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 Zxcloud Goldendata Vap — versions All versions up to V4.01.01.02
ZTE Zxcloud Goldendata Vap

Weakness classification (CWE)

References

support.zte.com.cn/support/news/LoopholeInfoDetail.aspx (Vendor Advisory)

Frequently asked questions

What is CVE-2019-3431?: CVE-2019-3431 is a critical-severity vulnerability in ZTE Zxcloud Goldendata Vap, classified under Missing Encryption of Sensitive Data. CVSS score: 9.8/10. Published 2019-12-23.
How severe is CVE-2019-3431?: Critical severity. CVSS v3 base score is 9.8 out of 10.