CVE-2024-55156

MEDIUMNVD 5.55.5—

5.5

An XML External Entity (XXE) vulnerability in the deserializeArgs() method of Java SDK for CloudEvents v4.0.1 allows attackers to access sensitive information via supplying a crafted XML-formatted event message.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 21.2%
KEV: Not listed

Published

February 21, 2025

Last Modified

April 15, 2026

References (1)

cve@mitrehttps://github.com/aixiao0621/CVE/blob/main/CVE-2024-55156/README.md

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-134Use of Externally-Controlled Format String

Data Freshness Timeline

(refreshed 13× 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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Frequently asked(5)

What is CVE-2024-55156?

CVE-2024-55156 is a medium vulnerability published on February 21, 2025. An XML External Entity (XXE) vulnerability in the deserializeArgs() method of Java SDK for CloudEvents v4.0.1 allows attackers to access sensitive information via supplying a crafted XML-formatted event message.

When was CVE-2024-55156 disclosed?

CVE-2024-55156 was first published in the National Vulnerability Database on February 21, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-55156 actively exploited?

CVE-2024-55156 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-55156?

CVE-2024-55156 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2024-55156?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-55156, 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-2024-55156

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-55156?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)