PT-2021-23574 · Unknown · Shinher Studyonline System

Allen.Liu + 1 · Published 2021-10-15 · Updated 2022-08-12 · CVE-2021-42331

Positive Technologies (AI Summary)

CVSS v2.0

5.5

Medium

Base vector

AV:N/AC:L/Au:S/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions ShinHer StudyOnline System (affected versions not specified)

Description The issue concerns the "Study Edit" function, which lacks proper permission control. This allows remote attackers to access and edit other users' tutorial schedules by manipulating URL parameters after logging in with user privileges.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authorization

Missing Authorization

Weakness Enumeration

CWE-285

CWE-862

Related Identifiers

CVE-2021-42331

Affected Products

Shinher Studyonline System

References · 4

• https://osv.dev/vulnerability/CVE-2021-42331 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-42331 · Security Note
• https://t.me/cibsecurity/30618 · Telegram Post
• https://twcert.org.tw/tw/cp-132-5201-dc534-1.html · Note