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TwcertCVELIST:CVE-2021-42338

HistoryNov 19, 2021 - 12:00 a.m.

CVE-2021-42338 4MOSAn GCB Doctor - Improper Authorization

2021-11-1900:00:00

CWE-285

twcert

www.cve.org

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

73.9%

JSON

4MOSAn GCB Doctor’s login page has improper validation of Cookie, which allows an unauthenticated remote attacker to bypass authentication by code injection in cookie, and arbitrarily manipulate the system or interrupt services by upload and execution of arbitrary files.

CNA Affected

[
  {
    "product": "GCB Doctor",
    "vendor": "4MOSAn",
    "versions": [
      {
        "lessThanOrEqual": "20210708(v2.0)",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.twcert.org.tw/tw/cp-132-5313-45bde-1.html

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

73.9%

JSON

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