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Hummerrisk EUVD-2025-201789

| CVE-2025-63721 HIGH
Deserialization of Untrusted Data (CWE-502)
2025-12-08 cve@mitre.org
Deserialization Hummerrisk
8.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
EUVD ID Assigned
Mar 15, 2026 - 17:54 euvd
EUVD-2025-201789
Analysis Generated
Mar 15, 2026 - 17:54 vuln.today
PoC Detected
Dec 11, 2025 - 15:15 vuln.today
Public exploit code
CVE Published
Dec 08, 2025 - 17:16 nvd
HIGH 8.8

DescriptionCVE.org

HummerRisk thru v1.5.0 is using a vulnerable Snakeyaml component, allowing attackers with normal user privileges to hit the /rule/add API and thereby achieve RCE and take over the server.

Analysis

HummerRisk thru v1.5.0 is using a vulnerable Snakeyaml component, allowing attackers with normal user privileges to hit the /rule/add API and thereby achieve RCE and take over the server.

Technical ContextAI

Insecure deserialization occurs when untrusted data is used to reconstruct objects, allowing attackers to manipulate serialized data to execute arbitrary code. This vulnerability is classified as Deserialization of Untrusted Data (CWE-502).

RemediationAI

Avoid deserializing untrusted data. Use safe serialization formats (JSON instead of native serialization). Implement integrity checks on serialized data.

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EUVD-2025-201789 vulnerability details – vuln.today
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