CVE-2024-24539

MEDIUMNVD 5.35.3—

5.3

FusionPBX before 5.2.0 does not validate a session.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 40.4%
KEV: Not listed

Published

March 18, 2024

Last Modified

May 23, 2025

References (4)

cve@mitrehttps://github.com/fusionpbx/fusionpbx/commit/2f8bed375c124c1d7e36138acc6903fcfcf15a8f
cve@mitrehttps://github.com/fusionpbx/fusionpbx/commit/ee202cd61dc9a79fb2d634b1ad21ff2416d531cb
af854a3a-2127-422b-91ae-364da2661108https://github.com/fusionpbx/fusionpbx/commit/2f8bed375c124c1d7e36138acc6903fcfcf15a8f
af854a3a-2127-422b-91ae-364da2661108https://github.com/fusionpbx/fusionpbx/commit/ee202cd61dc9a79fb2d634b1ad21ff2416d531cb

Data Freshness Timeline

(refreshed 14× in last 7d / 55× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-23 21:32 UTCEPSS rescore
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2026-06-22 14:24 UTCEPSS rescore
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2026-06-14 23:16 UTCEPSS rescore
2026-06-13 22:59 UTCEPSS rescore
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2026-06-12 23:11 UTCEPSS rescore
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2026-06-10 22:17 UTCEPSS rescore
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2026-06-10 13:21 UTCEPSS rescore
2026-06-09 01:00 UTCOSV refresh
2026-06-08 14:16 UTCEPSS rescore
2026-06-08 14:16 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
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2026-06-05 22:46 UTCEPSS rescore
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2026-06-05 06:09 UTCEPSS rescore
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2026-06-01 13:51 UTCEPSS rescore
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2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
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2026-05-31 00:15 UTCEPSS rescore
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2026-05-29 13:43 UTCEPSS rescore
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2026-05-28 13:44 UTCEPSS rescore
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2026-05-27 13:40 UTCEPSS rescore
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2026-05-26 13:43 UTCEPSS rescore
2026-05-26 13:43 UTCEPSS rescore
2026-05-26 07:18 UTCEPSS rescore
2026-05-26 07:18 UTCEPSS rescore
2026-05-24 06:35 UTCEG score recompute
2026-05-24 06:35 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2024-24539?

CVE-2024-24539 is a medium vulnerability published on March 18, 2024. FusionPBX before 5.2.0 does not validate a session.

When was CVE-2024-24539 disclosed?

CVE-2024-24539 was first published in the National Vulnerability Database on March 18, 2024, with the most recent update on May 23, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-24539 actively exploited?

CVE-2024-24539 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 40.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-24539?

CVE-2024-24539 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2024-24539?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-24539, 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.

Dependency Blast Radius

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CVE-2024-24539

📅 Published

🔄 Last Modified

🔗 References (4)