CVE-2020-1472
Estado: AnalizadaCrítica (10)⚠ Explotación activa
An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol (MS-NRPC). An attacker who successfully exploited the vulnerability could run a specially crafted application on a device on the network. To exploit the vulnerability, an unauthenticated attacker would be required to use MS-NRPC to connect to a domain controller to obtain domain administrator access. Microsoft is addressing the vulnerability in a phased two-part rollout.
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These updates address the vulnerability by modifying how Netlogon handles the usage of Netlogon secure channels. For guidelines on how to manage the changes required for this vulnerability and more information on the phased rollout, see How to manage the changes in Netlogon secure channel connections associated with CVE-2020-1472 (updated September 28, 2020). When the second phase of Windows updates become available in Q1 2021, customers will be notified via a revision to this security vulnerability. If you wish to be notified when these updates are released, we recommend that you register for the security notifications mailer to be alerted of content changes to this advisory. See Microsoft Technical Security Notifications.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Puntuación base: 10
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 99%
- Percentil entre todas las CVEs puntuadas: 100
- Fecha de la puntuación: 29/9/2026
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).
CISA KEV — explotada activamente
- Añadida al catálogo: 3/11/2021
- Plazo de remediación: 3/5/2022
- Uso conocido en ransomware: Known
Tecnologías afectadas (15)
Canonical — Ubuntu LinuxDebian — Debian LinuxFedoraproject — FedoraMicrosoft — Windows Server 1903Microsoft — Windows Server 1909Microsoft — Windows Server 2004Microsoft — Windows Server 2008Microsoft — Windows Server 2012Microsoft — Windows Server 2016Microsoft — Windows Server 2019Microsoft — Windows Server 20h2Opensuse — LeapOracle — ZFS Storage Appliance KITSamba — SambaSynology — Directory Server
CWE
- NVD-CWE-noinfo
Referencias
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00080.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00086.html
- http://packetstormsecurity.com/files/159190/Zerologon-Proof-Of-Concept.html
- http://packetstormsecurity.com/files/160127/Zerologon-Netlogon-Privilege-Escalation.html
- http://www.openwall.com/lists/oss-security/2020/09/17/2
- https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H4OTFBL6YDVFH2TBJFJIE4FMHPJEEJK3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ST6X3A2XXYMGD4INR26DQ4FP4QSM753B/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TAPQQZZAT4TG3XVRTAFV2Y3S7OAHFBUP/
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1472
- https://security.gentoo.org/glsa/202012-24
- https://usn.ubuntu.com/4510-1/
- https://usn.ubuntu.com/4510-2/
- https://usn.ubuntu.com/4559-1/
- https://www.kb.cert.org/vuls/id/490028
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.synology.com/security/advisory/Synology_SA_20_21
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00080.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00086.html
- http://packetstormsecurity.com/files/159190/Zerologon-Proof-Of-Concept.html
- http://packetstormsecurity.com/files/160127/Zerologon-Netlogon-Privilege-Escalation.html
- http://www.openwall.com/lists/oss-security/2020/09/17/2
- https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H4OTFBL6YDVFH2TBJFJIE4FMHPJEEJK3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ST6X3A2XXYMGD4INR26DQ4FP4QSM753B/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TAPQQZZAT4TG3XVRTAFV2Y3S7OAHFBUP/
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1472
- https://security.gentoo.org/glsa/202012-24
- https://usn.ubuntu.com/4510-1/
- https://usn.ubuntu.com/4510-2/
- https://usn.ubuntu.com/4559-1/
- https://www.kb.cert.org/vuls/id/490028
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.synology.com/security/advisory/Synology_SA_20_21
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1472
JSON original (NVD)
Mostrar
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"value": "An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol (MS-NRPC). An attacker who successfully exploited the vulnerability could run a specially crafted application on a device on the network.\nTo exploit the vulnerability, an unauthenticated attacker would be required to use MS-NRPC to connect to a domain controller to obtain domain administrator access.\nMicrosoft is addressing the vulnerability in a phased two-part rollout. These updates address the vulnerability by modifying how Netlogon handles the usage of Netlogon secure channels.\nFor guidelines on how to manage the changes required for this vulnerability and more information on the phased rollout, see How to manage the changes in Netlogon secure channel connections associated with CVE-2020-1472 (updated September 28, 2020).\nWhen the second phase of Windows updates become available in Q1 2021, customers will be notified via a revision to this security vulnerability. If you wish to be notified when these updates are released, we recommend that you register for the security notifications mailer to be alerted of content changes to this advisory. See Microsoft Technical Security Notifications."
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