CVE & CISA-KEV Catalog

CVE-2021-21269

HIGH
7.7
CVSS v3
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.

How to fix

Remediation Available
keymakerNVD
Affected:< 0.2.0Fixed in:0.2.0CVE-2021-21269derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

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

Exploit Intelligence

1.39%probability of exploitation in 30 days
69thpercentile

Moderate risk: more likely to be exploited than 69% of all known CVEs.

References

Third-Party Advisory1

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-23897Critical9.8100%KEV + RansomFix
CVE-2023-32315High8.6100%KEVFix
CVE-2022-29464Critical9.8100%KEV + Ransom-
CVE-2021-26086Medium5.3100%KEVFix
CVE-2021-22005Critical9.8100%KEV + RansomFix
CVE-2020-5902Critical9.8100%KEV + RansomFix
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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.