CVE-2021-22855
Estado: ModificadaCrítica (9.8)—
The specific function of HR Portal of Soar Cloud System accepts any type of object to be deserialized. Attackers can send malicious serialized objects to execute arbitrary commands.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/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: 2.04%
- Percentil entre todas las CVEs puntuadas: 80
- 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-502
- CWE-502
Referencias
JSON original (NVD)
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{
"id": "CVE-2021-22855",
"cveTags": [],
"metrics": {
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"type": "Primary",
"source": "nvd@nist.gov",
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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",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
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"cvssMetricV31": [
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"affected": [
{
"source": "twcert@cert.org.tw",
"affectedData": [
{
"vendor": "Soar Cloud System Co., Ltd.",
"product": "HR Portal",
"versions": [
{
"status": "affected",
"version": "0 7.3.2020.1013"
}
]
}
]
}
],
"published": "2021-02-17T14:15:19.327",
"references": [
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"tags": [
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"source": "twcert@cert.org.tw"
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"tags": [
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"source": "twcert@cert.org.tw"
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{
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"tags": [
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"vulnStatus": "Modified",
"weaknesses": [
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"description": [
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"value": "CWE-502"
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"description": [
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"descriptions": [
{
"lang": "en",
"value": "The specific function of HR Portal of Soar Cloud System accepts any type of object to be deserialized. Attackers can send malicious serialized objects to execute arbitrary commands."
},
{
"lang": "es",
"value": "La función específica de HR Portal de Soar Cloud System acepta cualquier tipo de objeto para ser deserializado. Los atacantes pueden enviar objetos serializados maliciosos para ejecutar comandos arbitrarios"
}
],
"lastModified": "2026-06-17T03:37:53.250",
"configurations": [
{
"nodes": [
{
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"cpeMatch": [
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}
],
"sourceIdentifier": "twcert@cert.org.tw"
}