CVE-2021-22679
Estado: ModificadaCrítica (9.8)—
The affected product is vulnerable to an integer overflow while processing HTTP headers, which may allow an attacker to remotely execute code on the SimpleLink Wi-Fi (MSP432E4 SDK: v4.20.00.12 and prior, CC32XX SDK v4.30.00.06 and prior, CC13X0 SDK versions prior to v4.10.03, CC13X2 and CC26XX SDK versions prior to v4.40.00, CC3200 SDK v1.5.0 and prior, CC3100 SDK v1.3.0 and prior).
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: 1.75%
- Percentil entre todas las CVEs puntuadas: 77
- Fecha de la puntuación: 4/10/2026
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 (7)
TI — Cc3100 Software Development KITTI — Cc3200 Software Development KITTI — Simplelink Cc13x0 Software Development KITTI — Simplelink Cc13x2 Software Development KITTI — Simplelink Cc26xx Software Development KITTI — Simplelink Cc32xx Software Development KITTI — Simplelink Msp432e4 Software Development KIT
CWE
- CWE-190
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-22679",
"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
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"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": "ics-cert@hq.dhs.gov",
"affectedData": [
{
"vendor": "n/a",
"product": "SimpleLink Wi-Fi, MSP432, CC13XX, CC26XX, CC32XX, CC3100",
"versions": [
{
"status": "affected",
"version": "MSP432E4 SDK: v4.20.00.12 and prior, CC32XX SDK v4.30.00.06 and prior, CC13X0 SDK versions prior to v4.10.03, CC13X2 and CC26XX SDK versions prior to v4.40.00, CC3200 SDK v1.5.0 and prior, CC3100 SDK v1.3.0 and prior"
}
]
}
]
}
],
"published": "2021-05-07T13:15:07.393",
"references": [
{
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"source": "ics-cert@hq.dhs.gov"
},
{
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01",
"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-190"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The affected product is vulnerable to an integer overflow while processing HTTP headers, which may allow an attacker to remotely execute code on the SimpleLink Wi-Fi (MSP432E4 SDK: v4.20.00.12 and prior, CC32XX SDK v4.30.00.06 and prior, CC13X0 SDK versions prior to v4.10.03, CC13X2 and CC26XX SDK versions prior to v4.40.00, CC3200 SDK v1.5.0 and prior, CC3100 SDK v1.3.0 and prior)."
},
{
"lang": "es",
"value": "El producto afectado es vulnerable a un desbordamiento de enteros mientras procesa los encabezados HTTP, lo que puede permitir a un atacante ejecutar código remotamente en SimpleLink Wi-Fi (MSP432E4 SDK: versiones v4.20.00.12 y anteriores, CC32XX SDK versiones v4.30.00.06 y anteriores , CC13X0 SDK versiones anteriores a v4.10.03, CC13X2 y CC26XX SDK versiones anteriores a v4.40.00, CC3200 SDK versiones v1.5.0 y anteriores, CC3100 SDK versiones v1.3.0 y anteriores)"
}
],
"lastModified": "2026-06-17T03:37:33.950",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ti:cc3100_software_development_kit:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "26971B33-7845-4373-A6FD-BDD3D06B8114",
"versionEndIncluding": "1.3.0"
},
{
"criteria": "cpe:2.3:a:ti:cc3200_software_development_kit:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1576AAFF-8F65-4A80-956F-47760D2C18BD",
"versionEndIncluding": "1.5.0"
},
{
"criteria": "cpe:2.3:a:ti:simplelink_cc13x0_software_development_kit:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "64CAE488-B5AB-4835-9B60-533308DC0208",
"versionEndExcluding": "4.10.03"
},
{
"criteria": "cpe:2.3:a:ti:simplelink_cc13x2_software_development_kit:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BFB94792-D8B0-4464-B39E-07AA75FE1A3D",
"versionEndExcluding": "4.40.00"
},
{
"criteria": "cpe:2.3:a:ti:simplelink_cc26xx_software_development_kit:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BCC0C102-7DCB-4959-91C6-ECA8429BB1A2",
"versionEndExcluding": "4.40.00"
},
{
"criteria": "cpe:2.3:a:ti:simplelink_cc32xx_software_development_kit:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1EC138AA-953A-40F9-AAF7-5FBB6D1D815D",
"versionEndIncluding": "4.30.00.06"
},
{
"criteria": "cpe:2.3:a:ti:simplelink_msp432e4_software_development_kit:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "83987FE7-03A6-469C-AFF6-89E51687FB20",
"versionEndIncluding": "4.20.00.12"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "ics-cert@hq.dhs.gov"
}