CVE-2024-3955
Estado: AplazadaCrítica (9.8)—
URL GET parameter "logtime" utilized within the "downloadlog" function from "cbpi/http_endpoints/http_system.py" is subsequently passed to the "os.system" function in "cbpi/controller/system_controller.py" without prior validation allowing to execute arbitrary code.This issue affects CraftBeerPi 4: from 4.0.0.58 (commit 563fae9) before 4.4.1.a1 (commit 57572c7).
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: 1.15%
- Percentil entre todas las CVEs puntuadas: 66
- Fecha de la puntuación: 7/10/2026
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)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-94
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2024-3955",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-3955",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2024-05-02T17:35:00.248697Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/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": "cvd@cert.pl",
"affectedData": [
{
"repo": "https://github.com/PiBrewing/craftbeerpi4",
"vendor": "PiBrewing",
"product": "CraftBeerPi 4",
"versions": [
{
"status": "affected",
"version": "4.0.0.58 (commit 563fae9)",
"lessThan": "4.4.1.a1 (commit 57572c7)",
"versionType": "custom"
}
],
"collectionURL": "https://pypi.org/project/cbpi4/",
"defaultStatus": "unaffected"
},
{
"repo": "https://github.com/craftbeerpi/craftbeerpi4",
"vendor": "CraftBeerPi - Brewing Controller",
"product": "CraftBeerPi 4",
"versions": [
{
"status": "affected",
"version": "4.0.0.58 (commit 563fae9)",
"versionType": "git",
"lessThanOrEqual": "*"
}
],
"defaultStatus": "unaffected"
}
]
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"affectedData": [
{
"cpes": [
"cpe:2.3:a:pibrewing:craftbeerpi_4:4.0.0.58:*:*:*:*:*:*:*"
],
"vendor": "PiBrewing",
"product": "CraftBeerPi 4",
"versions": [
{
"status": "affected",
"version": "4.0.0.58 (commit 563fae9)"
}
],
"defaultStatus": "unknown"
}
]
}
],
"published": "2024-05-02T10:15:08.630",
"references": [
{
"url": "https://cert.pl/en/posts/2024/05/CVE-2024-3955/",
"source": "cvd@cert.pl"
},
{
"url": "https://cert.pl/posts/2024/05/CVE-2024-3955/",
"source": "cvd@cert.pl"
},
{
"url": "https://github.com/PiBrewing/craftbeerpi4/issues/132",
"source": "cvd@cert.pl"
},
{
"url": "https://cert.pl/en/posts/2024/05/CVE-2024-3955/",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://cert.pl/posts/2024/05/CVE-2024-3955/",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/PiBrewing/craftbeerpi4/issues/132",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "cvd@cert.pl",
"description": [
{
"lang": "en",
"value": "CWE-94"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "URL GET parameter \"logtime\" utilized within the \"downloadlog\" function from \"cbpi/http_endpoints/http_system.py\" is subsequently passed to the \"os.system\" function in \"cbpi/controller/system_controller.py\" without prior validation allowing to execute arbitrary code.This issue affects CraftBeerPi 4: from 4.0.0.58 (commit 563fae9) before 4.4.1.a1 (commit 57572c7).\n\n"
},
{
"lang": "es",
"value": "El parámetro GET de URL \"logtime\" utilizado dentro de la función \"downloadlog\" de \"cbpi/http_endpoints/http_system.py\" se pasa posteriormente a la función \"os.system\" en \"cbpi/controller/system_controller.py\" sin validación previa que permita ejecutar código arbitrario. Este problema afecta a CraftBeerPi 4: desde 4.0.0.58 (commit 563fae9) antes de 4.4.1.a1 (commit 57572c7)."
}
],
"lastModified": "2026-06-17T07:45:32.740",
"sourceIdentifier": "cvd@cert.pl"
}