CVE-2021-29632
Estado: ModificadaAlta (7.5)—
In FreeBSD 13.0-STABLE before n247428-9352de39c3dc, 12.2-STABLE before r370674, 13.0-RELEASE before p6, and 12.2-RELEASE before p12, certain conditions involving use of the highlight buffer while text is scrolling on the console, console data may overwrite data structures associated with the system console or other kernel memory.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.85%
- Percentil entre todas las CVEs puntuadas: 57
- 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)
CWE
- NVD-CWE-noinfo
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-29632",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "secteam@freebsd.org",
"affectedData": [
{
"vendor": "n/a",
"product": "FreeBSD",
"versions": [
{
"status": "affected",
"version": "FreeBSD 13.0-RELEASE before p6, 12.2-RELEASE before p12"
}
]
}
]
}
],
"published": "2022-01-18T17:15:08.310",
"references": [
{
"url": "https://security.freebsd.org/advisories/FreeBSD-SA-22:01.vt.asc",
"tags": [
"Mitigation",
"Vendor Advisory"
],
"source": "secteam@freebsd.org"
},
{
"url": "https://security.netapp.com/advisory/ntap-20220217-0004/",
"tags": [
"Third Party Advisory"
],
"source": "secteam@freebsd.org"
},
{
"url": "https://security.freebsd.org/advisories/FreeBSD-SA-22:01.vt.asc",
"tags": [
"Mitigation",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://security.netapp.com/advisory/ntap-20220217-0004/",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In FreeBSD 13.0-STABLE before n247428-9352de39c3dc, 12.2-STABLE before r370674, 13.0-RELEASE before p6, and 12.2-RELEASE before p12, certain conditions involving use of the highlight buffer while text is scrolling on the console, console data may overwrite data structures associated with the system console or other kernel memory."
},
{
"lang": "es",
"value": "En FreeBSD versión 13.0-STABLE anteriores a n247428-9352de39c3dc, 12.2-STABLE anteriores a r370674, 13.0-RELEASE anteriores a p6 y 12.2-RELEASE anteriores a p12, en determinadas condiciones que implican el uso del búfer de resaltado mientras el texto se desplaza en la consola, los datos de la consola pueden sobrescribir estructuras de datos asociadas con la consola del sistema u otra memoria del kernel"
}
],
"lastModified": "2026-06-17T03:48:03.913",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "73D9C08B-8F5B-40C4-A5BD-B00D2E4C012D"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:beta1-p1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "04A52071-1307-4038-ACDF-F69954E95A39"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "62A178A3-6A52-4981-9A27-FB07AD8AF778"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p10:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8C2FC0BA-0116-43C2-A497-9157B1B9D55E"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p11:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3A371BAE-2BBE-404C-BCB5-E268A8AF847B"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "54A487B1-E5CE-4C76-87E8-518D24C5D86D"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9F084CAB-D138-4BF6-ABC2-2314F0FDE0D1"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p4:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4C232CA9-FC15-4596-AA99-74509A714C12"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p5:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "25BD9C03-6219-49EB-B503-CD44A3B9AA0A"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p6:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "900755CC-07EF-4799-B5B4-F3762B3650E8"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p7:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0C33002B-9958-4714-A734-066F36DE9040"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p8:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "562CEDBA-8BAE-4886-8AA3-AFF8E7F5A9C6"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:12.2:p9:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "37283D43-72DD-4FF9-BDBC-61B92051084B"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "174265E7-6B73-4546-B4C7-3826C7EB5624"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:beta1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7412DBD8-BB1F-48A8-AAE1-BA5C8D7BDDF7"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:beta2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "833DFF5B-BC50-424A-ABCF-EC632F421B76"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:beta3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9F27016E-4117-4094-BB7A-9C56E38024D9"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:beta3-p1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EC7326E3-908D-47A1-B848-3AA7F34B3DD3"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:beta4:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B149BF69-951D-47B4-996C-9E4773DA75B7"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:p1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "04A0E266-714C-4753-A652-A51F25582C78"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:p2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "556111A1-C236-4DF6-9438-F9C874451A58"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:p3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1673F16B-463A-492C-B66F-48917008F7F5"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:p4:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E73B211F-2CA9-47A4-B318-F24CC1C7E589"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:p5:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7C13DDEF-FF5F-4723-9C25-4EA66AE2CEDD"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FC271C93-EB83-4301-B7BA-F3249B71B1EA"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:rc2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "04329338-AC28-4A74-BE6B-CE8EC6CC37B7"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:rc3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "ADBA841F-5C83-4759-84B7-B59DA1B12EA8"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:rc4:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6A8F38B3-A6DA-4178-A2BD-0D4F0267C384"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:rc5:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9BB028A0-70F6-42DA-9E5A-F7AAF74ED45B"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:13.0:rc5-p1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "00D28E4E-022B-482E-9952-7F7F47C427C2"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secteam@freebsd.org"
}