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KrcertCVELIST:CVE-2021-26628

HistoryApr 26, 2022 - 6:21 p.m.

CVE-2021-26628 MaxBoard XSS and File Upload Vulnerability

2022-04-2618:21:05

CWE-434

CWE-79

krcert

www.cve.org

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

8.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.6%

JSON

Insufficient script validation of the admin page enables XSS, which causes unauthorized users to steal admin privileges. When uploading file in a specific menu, the verification of the files is insufficient. It allows remote attackers to upload arbitrary files disguising them as image files.

CNA Affected

[
  {
    "platforms": [
      "Linux"
    ],
    "product": "MaxBoard",
    "vendor": "No Vendor Information",
    "versions": [
      {
        "lessThanOrEqual": "1.9.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66673

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

8.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.6%

JSON

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