VULNERABILITY INTELLIGENCE
CVE-2021-42330
CVSS score8.8 HIGH
EPSS probability0.98%
CISA KEVNot currently listed
Published2021-10-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
The “Teacher Edit” function of ShinHer StudyOnline System does not perform authority control. After logging in with user’s privilege, remote attackers can access and edit other users’ credential and personal information by crafting URL parameters.
Weakness classification
- twcert@cert.org.tw: CWE-285
- nvd@nist.gov: NVD-CWE-Other
Primary references
- twcert@cert.org.tw — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory