What is CVE-2020-20545?

CVE-2020-20545 is a medium-severity vulnerability in Seeyon G6 Government Collaborative System, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-03-30.

How severe is CVE-2020-20545?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Seeyon G6 Government Collaborative System

CVE-2020-20545

Cross-Site Scripting (XSS) vulnerability in Zhiyuan G6 Government Collaboration System V6.1SP1, via the 'method' parameter to 'seeyon/hrSalary.do'.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-03-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (45.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Seeyon G6 Government Collaborative System — versions 6.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

note.youdao.com/noteshare (Exploit, Third Party Advisory)
note.youdao.com/noteshare (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-20545?: CVE-2020-20545 is a medium-severity vulnerability in Seeyon G6 Government Collaborative System, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-03-30.
How severe is CVE-2020-20545?: Medium severity. CVSS v3 base score is 5.4 out of 10.