CVE-2024-34535

MEDIUMNVD 5.95.9—

5.9

In Mastodon 4.1.6, API endpoint rate limiting can be bypassed by setting a crafted HTTP request header.

CVSS v3: 5.9
EG Score: 5.9(medium)
EPSS: 22.0%
KEV: Not listed

Published

October 3, 2024

Last Modified

May 6, 2025

References (2)

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
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2026-05-23 21:12 UTCEG score recompute

Frequently asked(5)

What is CVE-2024-34535?

CVE-2024-34535 is a medium vulnerability published on October 3, 2024. In Mastodon 4.1.6, API endpoint rate limiting can be bypassed by setting a crafted HTTP request header.

When was CVE-2024-34535 disclosed?

CVE-2024-34535 was first published in the National Vulnerability Database on October 3, 2024, with the most recent update on May 6, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-34535 actively exploited?

CVE-2024-34535 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-34535?

CVE-2024-34535 has a CVSS v3 base score of 5.9 (NVD).

How do I remediate CVE-2024-34535?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-34535, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2024-34535

📅 Published

🔄 Last Modified

🔗 References (2)