CVE-2020-6534
Estado: ModificadaAlta (8.8)—
Heap buffer overflow in WebRTC in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.91%
- Percentil entre todas las CVEs puntuadas: 79
- 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 (5)
CWE
- CWE-787
Referencias
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00069.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00041.html
- https://chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop.html
- https://crbug.com/1072412
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTRPPTKZ2RKVH2XGQCWNFZ7FOGQ5LLCA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYIDWCHG24ZTFD4P42D4A4WWPPA74BCG/
- https://security.gentoo.org/glsa/202007-08
- https://security.gentoo.org/glsa/202101-30
- https://www.debian.org/security/2021/dsa-4824
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00069.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00041.html
- https://chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop.html
- https://crbug.com/1072412
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTRPPTKZ2RKVH2XGQCWNFZ7FOGQ5LLCA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYIDWCHG24ZTFD4P42D4A4WWPPA74BCG/
- https://security.gentoo.org/glsa/202007-08
- https://security.gentoo.org/glsa/202101-30
- https://www.debian.org/security/2021/dsa-4824
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-6534",
"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": 8.8,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/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": 2.8
}
]
},
"affected": [
{
"source": "chrome-cve-admin@google.com",
"affectedData": [
{
"vendor": "Google",
"product": "Chrome",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "84.0.4147.89",
"versionType": "custom"
}
]
}
]
}
],
"published": "2020-07-22T17:15:14.617",
"references": [
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00069.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "chrome-cve-admin@google.com"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00007.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "chrome-cve-admin@google.com"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00018.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "chrome-cve-admin@google.com"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00041.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "chrome-cve-admin@google.com"
},
{
"url": "https://chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop.html",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "chrome-cve-admin@google.com"
},
{
"url": "https://crbug.com/1072412",
"tags": [
"Issue Tracking",
"Permissions Required",
"Third Party Advisory"
],
"source": "chrome-cve-admin@google.com"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTRPPTKZ2RKVH2XGQCWNFZ7FOGQ5LLCA/",
"source": "chrome-cve-admin@google.com"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYIDWCHG24ZTFD4P42D4A4WWPPA74BCG/",
"source": "chrome-cve-admin@google.com"
},
{
"url": "https://security.gentoo.org/glsa/202007-08",
"tags": [
"Third Party Advisory"
],
"source": "chrome-cve-admin@google.com"
},
{
"url": "https://security.gentoo.org/glsa/202101-30",
"tags": [
"Third Party Advisory"
],
"source": "chrome-cve-admin@google.com"
},
{
"url": "https://www.debian.org/security/2021/dsa-4824",
"tags": [
"Third Party Advisory"
],
"source": "chrome-cve-admin@google.com"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00069.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00007.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00018.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00041.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop.html",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://crbug.com/1072412",
"tags": [
"Issue Tracking",
"Permissions Required",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTRPPTKZ2RKVH2XGQCWNFZ7FOGQ5LLCA/",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYIDWCHG24ZTFD4P42D4A4WWPPA74BCG/",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://security.gentoo.org/glsa/202007-08",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://security.gentoo.org/glsa/202101-30",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.debian.org/security/2021/dsa-4824",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-787"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Heap buffer overflow in WebRTC in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page."
},
{
"lang": "es",
"value": "Un desbordamiento del búfer de la pila en WebRTC en Google Chrome versiones anteriores a 84.0.4147.89, permitió a un atacante remoto explotar potencialmente una corrupción de la pila por medio de una página HTML diseñada"
}
],
"lastModified": "2026-06-17T03:23:33.093",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "81AE496D-903C-4459-8CD3-80E7790656CD",
"versionEndExcluding": "84.0.4147.89"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "40513095-7E6E-46B3-B604-C926F1BA3568"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"
},
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33"
},
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956"
},
{
"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493"
},
{
"criteria": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B009C22E-30A4-4288-BCF6-C3E81DEAF45A"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "chrome-cve-admin@google.com"
}