CVE-2020-10103
Estado: ModificadaMedia (5.4)—
An XSS issue was discovered in Zammad 3.0 through 3.2. Malicious code can be provided by a low-privileged user through the File Upload functionality in Zammad. The malicious JavaScript will execute within the browser of any user who opens a specially crafted link to the uploaded file with an active Zammad session.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Puntuación base: 5.4
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.55%
- Percentil entre todas las CVEs puntuadas: 44
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-79
Referencias
JSON original (NVD)
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{
"id": "CVE-2020-10103",
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"metrics": {
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"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
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"affected": [
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"source": "cve@mitre.org",
"affectedData": [
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"published": "2020-03-05T01:15:12.037",
"references": [
{
"url": "https://zammad.com/news/security-advisory-zaa-2020-02",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://zammad.com/news/security-advisory-zaa-2020-02",
"tags": [
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"vulnStatus": "Modified",
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"description": [
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"value": "CWE-79"
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"descriptions": [
{
"lang": "en",
"value": "An XSS issue was discovered in Zammad 3.0 through 3.2. Malicious code can be provided by a low-privileged user through the File Upload functionality in Zammad. The malicious JavaScript will execute within the browser of any user who opens a specially crafted link to the uploaded file with an active Zammad session."
},
{
"lang": "es",
"value": "Se detectó un problema de tipo XSS en Zammad versiones 3.0 hasta 3.2. Un usuario poco privilegiado puede proporcionar código malicioso por medio de la funcionalidad de Carga de Archivos en Zammad. El JavaScript malicioso se ejecutará dentro del navegador de cualquier usuario que abra un enlace especialmente diseñado para el archivo cargado con una sesión activa de Zammad."
}
],
"lastModified": "2026-06-17T02:47:21.747",
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