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CVE-2019-6503

Status: ModifiedCritical (9.8)—

There is a deserialization vulnerability in Chatopera cosin v3.10.0. An attacker can execute commands during server-side deserialization by uploading maliciously constructed files. This is related to the TemplateController.java impsave method and the MainUtils toObject method.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2019-6503",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
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          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
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          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
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  "affected": [
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      "affectedData": [
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          "versions": [
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  "published": "2019-01-22T14:29:00.563",
  "references": [
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      "tags": [
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      "description": [
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          "value": "CWE-502"
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      "value": "There is a deserialization vulnerability in Chatopera cosin v3.10.0. An attacker can execute commands during server-side deserialization by uploading maliciously constructed files. This is related to the TemplateController.java impsave method and the MainUtils toObject method."
    },
    {
      "lang": "es",
      "value": "Hay una vulnerabilidad de deserialización en la versión v3.10.0 de Chatopera cosin. Un atacante puede ejecutar comandos durante la deserialización del lado del servidor, subiendo archivos construidos de manera maliciosa. Esto está relacionado con los métodos impsave (TemplateController.java) y MainUtils toObject."
    }
  ],
  "lastModified": "2026-06-17T02:39:09.253",
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