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Full vulnerability report · 2022
CVE-2022-21848High confidence

Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability

Microsoft · Windows 10 Version 1809

7.5HighCVSS 3.1
Recommended action
Within 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Select the national-authority views to include. The exact source language is shown on each matched advisory. Your choice is remembered on this device and encoded in the shareable URL.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2022-27004

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionWithin 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
01

What, why and how

Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability

What

Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may disrupt the affected service.

What

Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may disrupt the affected service.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
a network path → vulnerable operation → disrupt the affected service
Attack surface
Network
Privileges required
None: unauthenticated exploitation is possible
User interaction
None
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration.
CWE not yet assigned
CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVNetworkAttack vector: The vulnerable component can be reached over a network.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRNonePrivileges required: The attacker does not need an account or existing privileges.UINoneUser interaction: No action by another user is required.SUnchangedScope: The security impact remains within the vulnerable component's authority.CNoneConfidentiality impact: No direct loss is represented by this metric.INoneIntegrity impact: No direct loss is represented by this metric.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.
NetworkUnauthenticatedDenial of service
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

BSI · German · WID-SEC-2023-0839Xerox FreeFlow Print Server: Mehrere Schwachstellen

Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um beliebigen Programmcode auszuführen, einen Cross-Site-Scripting-Angriff durchzuführen, Informationen offenzulegen, einen Denial of Service Zustand herbeizuführen oder Dateien zu manipulieren.

Official advisory ↗
Cyber Security Agency of Singapore · English · CSA-SB-20220112Security Bulletin 12 Jan 2022

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 12 Jan 2022, published on 12 January 2022. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
CERT-FR · French · CERTFR-2022-AVI-027Multiples vulnérabilités dans Microsoft Windows

d?id=CVE-2021-36976 Référence CVE CVE-2022-21833 https://www.cve.org/CVERecord?id=CVE-2022-21833 Référence CVE CVE-2022-21834 https://www.cve.org/CVERecord?id=CVE-2022-21834 Référence CVE CVE-2022-21835 https://www.cve.org/CVERecord?id=CVE-2022-21835 Référence CVE CVE-2022-21836 https://www.cve.org/CVERecord?id=CVE-2022-21836 Référence CVE CVE-2022-21838 https://www.cve.org/CVERecord?id=CVE-2022-21838 Référence CVE CVE-2022-21839 https://www.cve.org/CVERecord?id=CVE-2022-21839 Référence CVE CVE-2022-21843 https://www.cve.org/CVERecord?id=CVE-2022-21843 Référence CVE CVE-2022-21847 https://www.cve.org/CVERecord?id=CVE-2022-21847 Référence CVE CVE-2022-21848 https://www.cve.org/CVERecord?id=CVE-2022-21848 Référence CVE CVE-2022-21849 https://www.cve.org/CVERecord?id=CVE-2022-21849 Référence CVE CVE-2022-21850 https://www.cve.org/CVERecord?id=CVE-2022-21850 Référence CVE CVE-2022-21851 https://www.cve.org/CVERecord?id=CVE-2022-21851 Référence CVE CVE-2022-21852 https://www.cve.org/CVERecord?id=CVE-2022-21852 Référence CVE CVE-2022-21857 https://www.cve.org/CVERecord?id=CVE-2022-21857 Référence CVE CVE-2022-21858 https://www.cve.org/CVERecord?id=CVE-2022-21858 Référence CVE CVE-2022-21859 https://www.cve.org/CVERecord?id=CVE-2022-21859 Référence CVE CVE-2022-21860 https://www.cve.org/CVERecord?id=

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2022-001069複数の Microsoft Windows 製品におけるサービス運用妨害 (DoS) の脆弱性

複数の Microsoft Windows 製品には、 Windows IKE Extension に不備があるため、サービス運用妨害 (DoS) の脆弱性が存在します。 本脆弱性は、CVE-2022-21843、CVE-2022-21848、CVE-2022-21883、CVE-2022-21889 とは異なる脆弱性です。

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2022-001068複数の Microsoft Windows 製品におけるサービス運用妨害 (DoS) の脆弱性

複数の Microsoft Windows 製品には、 Windows IKE Extension に不備があるため、サービス運用妨害 (DoS) の脆弱性が存在します。 本脆弱性は、CVE-2022-21843、CVE-2022-21848、CVE-2022-21883、CVE-2022-21890 とは異なる脆弱性です。

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2022-001058複数の Microsoft Windows 製品におけるサービス運用妨害 (DoS) の脆弱性

複数の Microsoft Windows 製品には、Windows IKE Extension に不備があるため、サービス運用妨害 (DoS) の脆弱性が存在します。 本脆弱性は、CVE-2022-21843、CVE-2022-21848、CVE-2022-21889、CVE-2022-21890 とは異なる脆弱性です。

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2022-001013複数の Microsoft Windows 製品におけるサービス運用妨害 (DoS) の脆弱性

複数の Microsoft Windows 製品には、Windows IKE Extension に不備があるため、サービス運用妨害 (DoS) の脆弱性が存在します。 本脆弱性は、CVE-2022-21843、CVE-2022-21883、CVE-2022-21889、CVE-2022-21890 とは異なる脆弱性です。

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2022-001011複数の Microsoft Windows 製品におけるサービス運用妨害 (DoS) の脆弱性

複数の Microsoft Windows 製品には、Windows IKE Extension に不備があるため、サービス運用妨害 (DoS) の脆弱性が存在します。 本脆弱性は、CVE-2022-21848、CVE-2022-21883、CVE-2022-21889、CVE-2022-21890 とは異なる脆弱性です。

Official advisory ↗
KISA KrCERT/CC · Korean · KNVD-5478MS 1월 보안 위협에 따른 정기 보안 업데이트 권고

22-21872 Windows 이벤트 추적 권한 상승 취약성 Windows Event Tracing CVE-2022-21839 Windows 이벤트 추적 DACL(임의 액세스 제어 목록) 서비스 거부 취약성 Windows Geolocation Service CVE-2022-21878 Windows 지리적 위치 서비스 원격 코드 실행 취약성 Windows HTTP Protocol Stack CVE-2022-21907 HTTP 프로토콜 스택 원격 코드 실행 취약성 Windows IKE Extension CVE-2022-21890 Windows IKE Extension Denial of Service Vulnerability Windows IKE Extension CVE-2022-21889 Windows IKE Extension Denial of Service Vulnerability Windows IKE Extension CVE-2022-21883 Windows IKE Extension Denial of Service Vulnerability Windows IKE Extension CVE-2022-21849 Windows IKE Extension Remote Code Execution Vulnerability Windows IKE Extension CVE-2022-21848 Windows IKE Extension Denial of Service Vulnerability Windows IKE Extension CVE-2022-21843 Windows IKE Extension Denial of Service Vulnerability Windows Installer CVE-2022-21908 Windows Installer 권한 상승 취약성 Windows Kerberos CVE-2022-21920 Windows Kerberos 권한 상승 취약성 Windows Kernel CVE-2022-21881 Windows 커널 권한 상승 취약성 Windows Kernel CVE-2022-21879 Windows 커널 권한 상승 취약성 Windows Libarchive CVE-2021-36976 Libarchive 원격 코드 실행 취약성 Windows Local Security Authority CVE-2022-21913 로컬 보안 기관(도메인 정책) 원격 프로토콜 보안 기능 우회 Windows Local Security Authority Subsystem Service CVE-2022-21884 Local Security Authority Subsystem Service 권한 상승 취약성 Windows Modern Executio

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Fix not verified
Affected
  • Windows 10 Version 1809: 10.0.17763.0 < 10.0.17763.2452, 10.0.0 < 10.0.17763.2452
  • Windows Server 2019: 10.0.17763.0 < 10.0.17763.2452
  • Windows Server 2019 (Server Core installation): 10.0.17763.0 < 10.0.17763.2452
  • Windows 10 Version 1909: 10.0.0 < 10.0.18363.2037
  • Windows 10 Version 21H1: 10.0.0 < 10.0.19043.1466
  • Windows Server 2022: 10.0.20348.0 < 10.0.20348.469
  • Windows 10 Version 20H2: 10.0.0 < 10.0.19042.1466
  • Windows Server version 20H2: 10.0.0 < 10.0.19042.1466
  • Windows 11 version 21H2: 10.0.0 < 10.0.22000.434
  • Windows 10 Version 21H2: 10.0.19043.0 < 10.0.19043.1466
  • Windows 10 Version 1507: 10.0.10240.0 < 10.0.10240.19177
  • Windows 10 Version 1607: 10.0.14393.0 < 10.0.14393.4886
  • Windows Server 2016: 10.0.14393.0 < 10.0.14393.4886
  • Windows Server 2016 (Server Core installation): 10.0.14393.0 < 10.0.14393.4886
  • Windows 7: 6.1.0 < 6.1.7601.25829
  • Windows 7 Service Pack 1: 6.1.0 < 6.1.7601.25829
  • Windows 8.1: 6.3.0 < 6.3.9600.20246
  • Windows Server 2008 Service Pack 2: 6.0.6003.0 < 6.0.6003.21349
  • Windows Server 2008 Service Pack 2 (Server Core installation): 6.0.6003.0 < 6.0.6003.21349
  • Windows Server 2008 Service Pack 2: 6.0.6003.0 < 6.0.6003.21349
  • Windows Server 2008 R2 Service Pack 1: 6.1.7601.0 < 6.1.7601.25829
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation): 6.1.7601.0 < 6.1.7601.25829
  • Windows Server 2012: 6.2.9200.0 < 6.2.9200.23584
  • Windows Server 2012 (Server Core installation): 6.2.9200.0 < 6.2.9200.23584
  • Windows Server 2012 R2: 6.3.9600.0 < 6.3.9600.20246
  • Windows Server 2012 R2 (Server Core installation): 6.3.9600.0 < 6.3.9600.20246
Fixed
No fixed version is explicitly recorded in the structured CVE data.
Action
No verified patch reference is present in the current structured sources. Check the vendor advisory before making a change.
Workaround
No verified workaround is recorded. If business-safe, reduce exposure to the affected interface and allow only trusted sources until authoritative guidance is available.
04

Evidence and provenance

Published 11 Jan 2022 · Last source change 2 Jan 2025, 18:22 UTC · CWE not yet assigned

CVE recordCVE.org · 5.1
CVSS sourceCNA
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2022-27004
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceUnavailable
NVD statusNVD modified after enrichment

Missing structured fields: CWE classification. Missing data is not evidence of low risk; review the primary advisory.

Material change intelligence

What changed after publication

View recent updates ↗

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
ENISA EUVD · EUVD-2022-27004↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2022-21848 · cve.blacktree.nl