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cve[email protected]CVE-2021-21269
HistoryJan 20, 2021 - 6:15 p.m.

CVE-2021-21269

2021-01-2018:15:12
CWE-22
web.nvd.nist.gov
18
2
cve-2021-21269
keymaker
mastodon community finder
matrix community
serverlist
path traversal attack
security vulnerability
nvd

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

7.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.0%

Keymaker is a Mastodon Community Finder based Matrix Community serverlist page Server. In Keymaker before version 0.2.0, the assets endpoint did not check for the extension. The rust join method without checking user input might have made it abe to do a Path Traversal attack causing to read more files than allowed. This is fixed in version 0.2.0.

Affected configurations

Vulners
NVD
Node
keymaker-mxkeymakerRange<0.2.0

CNA Affected

[
  {
    "product": "keymaker",
    "vendor": "keymaker-mx",
    "versions": [
      {
        "status": "affected",
        "version": "< 0.2.0"
      }
    ]
  }
]

Social References

More

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

7.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.0%

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