← back
CVE-2021-42331mediumCWE-285

ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-2

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.4epss 0.6%
exploitation probability
0.6%top 51% of all CVEs
observed exploitation
nono source reports it
The “Study Edit” function of ShinHer StudyOnline System does not perform permission control. After logging in with user’s privilege, remote attackers can access and edit other users’ tutorial schedule by crafting URL parameters.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N