CVE-2021-42332
ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-3
The “List View” function of ShinHer StudyOnline System is not under authority control. After logging in with user’s privilege, remote attackers can access the content of other users’ message boards by crafting URL parameters.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-3
The “List View” function of ShinHer StudyOnline System is not under authority control. After logging in with user’s privilege, remote attackers can access the content of other users’ message boards by crafting URL parameters.
- Record
CVE-2021-42332- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-285
- Updated
- 2026-11-02
EUVDEUVD-2021-29306
The “List View” function of ShinHer StudyOnline System is not under authority control. After logging in with user’s privilege, remote attackers can access the content of other users’ message boards by crafting URL parameters.
- Record
EUVD-2021-29306- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7xh8-5gm5-5q2f
The “List View” function of ShinHer StudyOnline System is not under authority control. After...
The “List View” function of ShinHer StudyOnline System is not under authority control. After logging in with user’s privilege, remote attackers can access the content of other users’ message boards by crafting URL parameters.
- Record
GHSA-7xh8-5gm5-5q2f- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-285
- Updated
- 2026-11-02
NVD
The “List View” function of ShinHer StudyOnline System is not under authority control. After logging in with user’s privilege, remote attackers can access the content of other users’ message boards by crafting URL parameters.
- Record
CVE-2021-42332- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-285
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-42332 is a medium vulnerability (CVSS 4.3) in Shinher Information Co., Ltd. Studyonline System, published October 15, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.76%, the 55th percentile. No source names a fixed version.