CVE-2021-42330 ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-1
Remote attackers can access and edit other users' credentials and personal information via crafted URL parameters due to missing authority controls in the Teacher Edit function.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-42330?
CVE-2021-42330 is a high-severity missing authorization vulnerability in ShinHer StudyOnline System, published on 15 Oct 2021. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-285
Which versions are affected by CVE-2021-42330?
It affects 1 product.
Products include Xinheinformation Xinhe Teaching Platform System.
How do I fix CVE-2021-42330?
No fix has been published for CVE-2021-42330 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-42330 being exploited?
There is no known exploitation of CVE-2021-42330 in the wild and no public exploit code.
Other vulnerabilities in ShinHer StudyOnline System
Sources
Also known as GHSA-xq9f-7hxc-qrqx.