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TwcertCVELIST:CVE-2021-42330

HistoryOct 15, 2021 - 12:00 a.m.

CVE-2021-42330 ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-1

2021-10-1500:00:00

CWE-285

twcert

www.cve.org

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.8 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

73.1%

JSON

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.

CNA Affected

[
  {
    "product": "ShinHer StudyOnline System",
    "vendor": "ShinHer Information Co., LTD.",
    "versions": [
      {
        "lessThanOrEqual": "2021",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.twcert.org.tw/tw/cp-132-5200-3d3ca-1.html

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.8 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

73.1%

JSON

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