CVE-2021-33015
Estado: ModificadaAlta (7.8)—
Cscape (All Versions prior to 9.90 SP5) lacks proper validation of user-supplied data when parsing project files. This could lead to an out-of-bounds write via an uninitialized pointer. An attacker could leverage this vulnerability to execute code in the context of the current process.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.00%
- Percentil entre todas las CVEs puntuadas: 61
- 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-824
- CWE-824
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-33015",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 6.8,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "ics-cert@hq.dhs.gov",
"affectedData": [
{
"vendor": "n/a",
"product": "Cscape",
"versions": [
{
"status": "affected",
"version": "All Versions prior to 9.90 SP5"
}
]
}
]
}
],
"published": "2021-08-25T19:15:12.997",
"references": [
{
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-224-02",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"source": "ics-cert@hq.dhs.gov"
},
{
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-224-02",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "ics-cert@hq.dhs.gov",
"description": [
{
"lang": "en",
"value": "CWE-824"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-824"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Cscape (All Versions prior to 9.90 SP5) lacks proper validation of user-supplied data when parsing project files. This could lead to an out-of-bounds write via an uninitialized pointer. An attacker could leverage this vulnerability to execute code in the context of the current process."
},
{
"lang": "es",
"value": "Cscape (todas las versiones anteriores a 9.90 SP5) carece de una comprobación apropiada de los datos proporcionados por el usuario cuando analiza los archivos del proyecto. Esto podría conllevar a una escritura fuera de límites por medio de un puntero no inicializado. Un atacante podría aprovechar esta vulnerabilidad para ejecutar código en el contexto del proceso actual."
}
],
"lastModified": "2026-06-17T03:54:00.900",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:hornerautomation:cscape:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EE2DC26D-983D-42DF-A903-1AFC1430EB07",
"versionEndExcluding": "9.90"
},
{
"criteria": "cpe:2.3:a:hornerautomation:cscape:9.90:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F3037FE7-0230-48F0-8665-3F63F4D57AFF"
},
{
"criteria": "cpe:2.3:a:hornerautomation:cscape:9.90:sp1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "419F775A-9EC9-4C78-9834-D241D18E67AE"
},
{
"criteria": "cpe:2.3:a:hornerautomation:cscape:9.90:sp2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A20012C0-21A9-42BD-AF6A-CC193A3631FA"
},
{
"criteria": "cpe:2.3:a:hornerautomation:cscape:9.90:sp3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D62ADB7C-09CC-4A36-BD7C-235029100510"
},
{
"criteria": "cpe:2.3:a:hornerautomation:cscape:9.90:sp4:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "35C25D54-A7DD-43D0-8A4C-EF274B8EAB65"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "ics-cert@hq.dhs.gov"
}