CVE-2021-42278

mediumPriorität · handeln · 90OT-Risiko · kritischKEV · ausgenutztEPSS 0.733 · 99. PerzentilExploit · PoCEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 6 exploits · PoC

Likely / severe?

73.3% (99th) EPSS

CVSS 6.5 · medium

Is it mine?

77 products

Prüfe deine Angriffsfläche

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · msrc_csaf

hinzugefügt 2022-04-11beheben bis 2022-05-02

erforderliche Maßnahme Apply updates per vendor instructions.

EPSS · bewertet 2026-10-27

Microsoft Active Directory Domain Services Privilege Escalation Vulnerability

Active Directory Domain Services Elevation of Privilege Vulnerability

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

BehobenWindows Server 2008 R2 for x64-based Systems Service Pack 1msrc_csaf
6.1.7601.25769:Security Only:https://support.microsoft.com/help/5007233
https://support.microsoft.com/help/5007233
BehobenWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)msrc_csaf
6.1.7601.25769:Security Only:https://support.microsoft.com/help/5007233
https://support.microsoft.com/help/5007233
BehobenWindows Server 2008 for 32-bit Systems Service Pack 2msrc_csaf
6.0.6003.21282:Security Only:https://support.microsoft.com/help/5007246
https://support.microsoft.com/help/5007246
BehobenWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.21282:Security Only:https://support.microsoft.com/help/5007246
https://support.microsoft.com/help/5007246
BehobenWindows Server 2008 for x64-based Systems Service Pack 2msrc_csaf
6.0.6003.21282:Security Only:https://support.microsoft.com/help/5007246
https://support.microsoft.com/help/5007246
BehobenWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.21282:Security Only:https://support.microsoft.com/help/5007246
https://support.microsoft.com/help/5007246
BehobenWindows Server 2012msrc_csaf
6.2.9200.23517:Security Only:https://support.microsoft.com/help/5007245
https://support.microsoft.com/help/5007245
BehobenWindows Server 2012 (Server Core installation)msrc_csaf
6.2.9200.23517:Security Only:https://support.microsoft.com/help/5007245
https://support.microsoft.com/help/5007245
BehobenWindows Server 2012 R2msrc_csaf
6.3.9600.20174:Monthly Rollup:https://support.microsoft.com/help/5007247
https://support.microsoft.com/help/5007247
BehobenWindows Server 2012 R2 (Server Core installation)msrc_csaf
6.3.9600.20174:Monthly Rollup:https://support.microsoft.com/help/5007247
https://support.microsoft.com/help/5007247
BehobenWindows Server 2016msrc_csaf
10.0.14393.4770:Security Update:https://support.microsoft.com/help/5007192
https://support.microsoft.com/help/5007192
BehobenWindows Server 2016 (Server Core installation)msrc_csaf
10.0.14393.4770:Security Update:https://support.microsoft.com/help/5007192
https://support.microsoft.com/help/5007192
BehobenWindows Server 2019msrc_csaf
10.0.17763.2300:Security Update:https://support.microsoft.com/help/5007206
https://support.microsoft.com/help/5007206
BehobenWindows Server 2019 (Server Core installation)msrc_csaf
10.0.17763.2300:Security Update:https://support.microsoft.com/help/5007206
https://support.microsoft.com/help/5007206
BehobenWindows Server 2022msrc_csaf
10.0.20348.350:Security Update:https://support.microsoft.com/help/5007205
https://support.microsoft.com/help/5007205
BehobenWindows Server 2022 (Server Core installation)msrc_csaf
10.0.20348.350:Security Update:https://support.microsoft.com/help/5007205
https://support.microsoft.com/help/5007205
BehobenWindows Server, version 2004 (Server Core installation)msrc_csaf
10.0.19041.1348:Security Update:https://support.microsoft.com/help/5007186
https://support.microsoft.com/help/5007186
BehobenWindows Server, version 20H2 (Server Core Installation)msrc_csaf
10.0.19042.1348:Security Update:https://support.microsoft.com/help/5007186
https://support.microsoft.com/help/5007186

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

8.8

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 6.5–8.8

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USAusnutzbarkeit 8 · Auswirkung 6.4

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:P/E:Hsecondary · CVSS-BT (t0sche)

v3.18.8highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USAusnutzbarkeit 1.6 · Auswirkung 5.9

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · NVD / NIST USAusnutzbarkeit 1.6 · Auswirkung 5.9

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-269US

Exploits (6)

Öffentlicher Proof-of-Concept- und Exploit-Code.

Ridter/noPacExploiting CVE-2021-42278 and CVE-2021-42287 to impersonate DA from standard domain user PoC · poc_in_github
cybersecurityworks553/noPac-detectionDetection script for CVE-2021-42278 and CVE-2021-42287PoC · poc_in_github
ly4k/PachinePython implementation for CVE-2021-42278 (Active Directory Privilege Escalation)PoC · poc_in_github
safebuffer/sam-the-adminExploiting CVE-2021-42278 and CVE-2021-42287 to impersonate DA from standard domain user PoC · poc_in_github
waterrr/noPacExploiting CVE-2021-42278 and CVE-2021-42287PoC · poc_in_github
xLTJ/noPacGo implementation of NoPac, exploiting CVE-2021-42278 and CVE-2021-42287PoC · poc_in_github

betroffene Produkte (77)

Betroffene Produkte und Versionsbereiche.

Microsoft Windows Server 2008 R2 Service Pack 16.1.0 → 6.1.7601.25769enisa_euvdEU
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)6.0.0 → 6.1.7601.25769enisa_euvdEU
Microsoft Windows Server 2008 Service Pack 26.0.0 → 6.0.6003.21282enisa_euvdEU
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)6.0.0 → 6.0.6003.21282enisa_euvdEU
Microsoft Windows Server 20126.2.0 → 6.2.9200.23517enisa_euvdEU
Microsoft Windows Server 2012 (Server Core installation)6.2.0 → 6.2.9200.23517enisa_euvdEU
Microsoft Windows Server 2012 R26.3.0 → 6.3.9600.20174enisa_euvdEU
Microsoft Windows Server 2012 R2 (Server Core installation)6.3.0 → 6.3.9600.20174enisa_euvdEU
Microsoft Windows Server 201610.0.0 → 10.0.14393.4770enisa_euvdEU
Microsoft Windows Server 2016 (Server Core installation)10.0.0 → 10.0.14393.4770enisa_euvdEU
Microsoft Windows Server 201910.0.0 → 10.0.17763.2300enisa_euvdEU
Microsoft Windows Server 2019 (Server Core installation)10.0.0 → 10.0.17763.2300enisa_euvdEU
Microsoft Windows Server 202210.0.0 → 10.0.20348.350enisa_euvdEU
Microsoft Windows Server version 200410.0.0 → 10.0.19041.1348enisa_euvdEU
Microsoft Windows Server version 20H210.0.0 → 10.0.19042.1348enisa_euvdEU
Microsoft Corp Windows Server 2004 (Server Core Installation)alle Versionenfstec_bduRU
Microsoft Corp Windows Server 2008 R2 Service Pack 1alle Versionenfstec_bduRU
Microsoft Corp Windows Server 2008 R2 Service Pack 1 (Server Core installation)alle Versionenfstec_bduRU
Microsoft Corp Windows Server 2008 R2 Service Pack 2 (Server Core installation)alle Versionenfstec_bduRU
Microsoft Corp Windows Server 2008 Service Pack 2alle Versionenfstec_bduRU

20 von 77 angezeigt

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

msrc_CVE-2021-42278Active Directory Domain Services Elevation of Privilege Vulnerability2021-11-09csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu msrc_csaf NVD CVE.org MITRE

veröffentlicht 2021-11-10geändert 2026-08-19

Referenzen (8)

Externe Belege — Patches, Meldungen, Analysen.

scry

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