What is CVE-2020-20012?

CVE-2020-20012 is a critical-severity vulnerability in Sudytech Webplus Pro, classified under Path Traversal. CVSS score: 9.8/10. Published 2023-05-23.

How severe is CVE-2020-20012?

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

Path Traversal in Sudytech Webplus Pro

CVE-2020-20012

WebPlus Pro v1.4.7.8.4-01 is vulnerable to Incorrect Access Control.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2023-05-23 · 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: 0.011 (63.9th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Sudytech Webplus Pro — versions 1.4.7.8.4-01

Weakness classification (CWE)

CWE-22 — Path Traversal

References

wzqpt.hfut.edu.cn/login.jsp (Broken Link)
gist.github.com/1915504804/9503198d3cbd5bc7db47625ac0caaade (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-20012?: CVE-2020-20012 is a critical-severity vulnerability in Sudytech Webplus Pro, classified under Path Traversal. CVSS score: 9.8/10. Published 2023-05-23.
How severe is CVE-2020-20012?: Critical severity. CVSS v3 base score is 9.8 out of 10.