CVE-2024-55399

Medium

Published: 06 August 2025

Published

06 August 2025

Modified

09 October 2025

KEV Added

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Patch

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CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS Score 0.0022 44.5th percentile

Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-55399 is a medium-severity SSRF (CWE-918) vulnerability in 4Cstrategies Exonaut. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 44.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

4C Strategies Exonaut before v21.6.2.1-1 was discovered to contain a Server-Side Request Forgery (SSRF).

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

4cstrategies

exonaut

22.0 · ≤ 21.6.2.1-1

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-918

Penetration testing attempts server-side requests to internal resources, identifying SSRF weaknesses for remediation.

addresses: CWE-918

Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.

addresses: CWE-918

Validates server-side URLs and resource references to block SSRF attempts.

addresses: CWE-918

Detects server-side request forgery through monitoring of unexpected outbound connections.