Vulnerability · Published Oct 15, 2021 · Assigned by twcert
CVE-2021-42330ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-1
High 8.8
In plain English
A high-severity security flaw in ShinHer StudyOnline System from ShinHer Information Co., LTD.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.0%top 37.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ShinHer Information Co., LTD. | ShinHer StudyOnline System | unspecified – through 2021 |
Weakness: CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://www.twcert.org.tw/tw/cp-132-5200-3d3ca-1.html x_refsource_MISC