CVE-2021-21269

Published: Jan 20, 2021Modified: Jun 17, 2026

6.5

Vector

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

Exploitability: 2.8 / Impact: 3.6

Source: NVD

Description

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 (1)

Products: Keymaker Project: Keymaker

Keymaker Project

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Keymaker Project Keymaker	Before 0.2.0

Related CWEs

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (4)

https://github.com/keymaker-mx/keymaker/commit/63f3012b390ff1519a84100df9e5dff5058bb926

Source: security-advisories@github.com

PatchThird Party Advisory

https://github.com/keymaker-mx/keymaker/security/advisories/GHSA-pg25-xfcf-vjvm

Source: security-advisories@github.com

Third Party Advisory

https://github.com/keymaker-mx/keymaker/commit/63f3012b390ff1519a84100df9e5dff5058bb926

Source: af854a3a-2127-422b-91ae-364da2661108

PatchThird Party Advisory

https://github.com/keymaker-mx/keymaker/security/advisories/GHSA-pg25-xfcf-vjvm

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.