What is CVE-2020-10509?

CVE-2020-10509 is a medium-severity vulnerability in Sun Ehrd, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-03-27.

How severe is CVE-2020-10509?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Sun Ehrd

CVE-2020-10509

Sunnet eHRD, a human training and development management system, contains vulnerability of Cross-Site Scripting (XSS), attackers can inject arbitrary command into the system and launch XSS attack.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-03-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (56.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Sun Ehrd — versions 8.0, 9.0
Sunnet Ehrd — versions 8, 9

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.chtsecurity.com/news/30772cf1-2e7e-4afe-9282-b5a196b22e71 (Third Party Advisory)
www.twcert.org.tw/tw/cp-132-3449-c87d8-1.html (Third Party Advisory)

Frequently asked questions

What is CVE-2020-10509?: CVE-2020-10509 is a medium-severity vulnerability in Sun Ehrd, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-03-27.
How severe is CVE-2020-10509?: Medium severity. CVSS v3 base score is 6.1 out of 10.