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cve[email protected]CVE-2021-43861
HistoryDec 30, 2021 - 2:15 p.m.

CVE-2021-43861

2021-12-3014:15:07
CWE-20
CWE-79
web.nvd.nist.gov
31
mermaid
javascript
cve-2021-43861
diagramming
charting
markdown
security patch
upgrade

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

5.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

25.0%

Mermaid is a Javascript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. Prior to version 8.13.8, malicious diagrams can run javascript code at diagram readers’ machines. Users should upgrade to version 8.13.8 to receive a patch. There are no known workarounds aside from upgrading.

Affected configurations

Vulners
NVD
Node
mermaid-jsmermaidRange<8.13.8

CNA Affected

[
  {
    "product": "mermaid",
    "vendor": "mermaid-js",
    "versions": [
      {
        "status": "affected",
        "version": "< 8.13.8"
      }
    ]
  }
]

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

5.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

25.0%