CVE-2018-6328
Estado: ModificadaCrítica (9.8)—
It was discovered that the Unitrends Backup (UB) before 10.1.0 user interface was exposed to an authentication bypass, which then could allow an unauthenticated user to inject arbitrary commands into its /api/hosts parameters using backquotes.
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 64%
- Percentil entre todas las CVEs puntuadas: 99
- Fecha de la puntuación: 3/10/2026
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-287
Referencias
- https://support.unitrends.com/UnitrendsBackup/s/article/000001150
- https://support.unitrends.com/UnitrendsBackup/s/article/000006002
- https://www.exploit-db.com/exploits/44297/
- https://www.exploit-db.com/exploits/45559/
- https://support.unitrends.com/UnitrendsBackup/s/article/000001150
- https://support.unitrends.com/UnitrendsBackup/s/article/000006002
- https://www.exploit-db.com/exploits/44297/
- https://www.exploit-db.com/exploits/45559/
JSON original (NVD)
Mostrar
{
"id": "CVE-2018-6328",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.0",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
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"vendor": "n/a",
"product": "n/a",
"versions": [
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"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2018-03-14T19:29:00.597",
"references": [
{
"url": "https://support.unitrends.com/UnitrendsBackup/s/article/000001150",
"tags": [
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{
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"tags": [
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{
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},
{
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{
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"tags": [
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{
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"tags": [
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{
"url": "https://www.exploit-db.com/exploits/44297/",
"tags": [
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"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
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"tags": [
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-287"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "It was discovered that the Unitrends Backup (UB) before 10.1.0 user interface was exposed to an authentication bypass, which then could allow an unauthenticated user to inject arbitrary commands into its /api/hosts parameters using backquotes."
},
{
"lang": "es",
"value": "Se ha descubierto que en Unitrends Backup (UB), en versiones anteriores a la 10.1.0, la interfaz de usuario estaba expuesta a una omisión de autenticación. Esto podría permitir que un usuario no autenticado inyecte comandos arbitrarios en los parámetros /api/hosts mediante acentos graves (`)."
}
],
"lastModified": "2026-06-17T02:01:40.077",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
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"criteria": "cpe:2.3:a:kaseya:unitrends_backup:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "919167E0-45B2-4E37-92B9-681F73B80037",
"versionEndExcluding": "10.1"
}
],
"operator": "OR"
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}
],
"sourceIdentifier": "cve@mitre.org"
}