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TwcertCVELIST:CVE-2021-42331

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

CVE-2021-42331 ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-2

2021-10-1500:00:00

CWE-285

twcert

www.cve.org

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

5.9 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.3%

JSON

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.

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-132-5201-dc534-1.html

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

5.9 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.3%

JSON

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