VulnerabilityModified

CVE-2021-42331

After logging in with user’s privilege, remote attackers can access and edit other users’ tutorial schedule by crafting URL parameters.

MEDIUM 5.4EPSS 0.64%

Does this matter?

Lower severity and a low EPSS score (0.64%). Track it; it rarely justifies an emergency change on its own.

Description

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: 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS: 0.64% probability · 49th percentile
CISA KEV: Not listed
Weakness: CWE-285, CWE-862
Affected: xinheinformation/xinhe teaching platform system
Source: twcert@cert.org.tw

References

https://www.twcert.org.tw/tw/cp-132-5201-dc534-1.htmlThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-5201-dc534-1.htmlThird Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.