CVE-2023-21702
📛 CVE Title
Windows iSCSI Service Denial of Service Vulnerability
Description
Windows iSCSI Service Denial of Service Vulnerability
Overview
- State
- PUBLISHED
- Assigner (CNA)
- microsoft
- CVSS severity
- HIGH
- CVSS score
- 7.5 / 10
- CVSS vector
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- Effective score
- 7.5 / 10 HIGH source: CNA overview
- MSRC score
- 7.5 / 10 HIGH MS rating: Important · Denial of Service
- CWE(s)
-
CWE-125 - Reserved
- 2022-12-13
- Published
- 2023-02-14 08:00 UTC
- Last updated
- 2023-02-14 08:00 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/21xxx/CVE-2023-21702.json
- Linked Threat
- CVE-2023-21702 — Windows iSCSI Service Denial of Service Vulnerability
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2023-25869 - Assigner
- microsoft
- Published
- Feb 14, 2023, 7:33:39 PM
- Updated
- Jan 1, 2025, 12:41:15 AM
- EUVD base score (CVSS 3.1)
-
7.5 / 10
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 - EUVD-reported EPSS
- 13.8200
- Vendors
- Microsoft
- Products
-
Windows Server 2016 (Server Core installation) (10.0.14393.0 <10.0.14393.5717)Windows Server 2016 (10.0.14393.0 <10.0.14393.5717)Windows Server 2008 R2 Service Pack 1 (6.1.7601.0 <6.1.7601.26366)Windows Server 2008 Service Pack 2 (Server Core installation) (6.0.6003.0 <6.0.6003.21915)Windows 11 version 22H2 (10.0.22621.0 <10.0.22621.1265)Windows Server 2008 R2 Service Pack 1 (Server Core installation) (6.1.7601.0 <6.1.7601.26366)Windows 11 version 21H2 (10.0.0 <10.0.22621.1574)Windows 10 Version 1809 (10.0.17763.0 <10.0.17763.4010)Windows Server 2012 (Server Core installation) (6.2.9200.0 <6.2.9200.24116)Windows Server 2008 Service Pack 2 (6.0.6003.0 <6.0.6003.21915)Windows Server 2022 (10.0.20348.0 <10.0.20348.1547)Windows 10 Version 1607 (10.0.14393.0 <10.0.14393.5717)Windows Server 2019 (10.0.17763.0 <10.0.17763.4010)Windows 10 Version 21H2 (10.0.19043.0 <10.0.19044.2604)Windows 10 Version 1507 (10.0.10240.0 <10.0.10240.19747)Windows 10 Version 1809 (10.0.0 <10.0.17763.4010)Windows 10 Version 20H2 (10.0.0 <10.0.19042.2604)Windows Server 2012 R2 (6.3.9600.0 <6.3.9600.20821)Windows Server 2012 R2 (Server Core installation) (6.3.9600.0 <6.3.9600.20821)Windows Server 2019 (Server Core installation) (10.0.17763.0 <10.0.17763.4010)Windows Server 2008 Service Pack 2 (6.0.6003.0 <6.0.6003.21915)Windows 10 Version 22H2 (10.0.19045.0 <10.0.19045.2604)Windows Server 2012 (6.2.9200.0 <6.2.9200.24116)
- Aliases
-
GHSA-6cmm-7g2g-4f52
ENISA description: Windows iSCSI Service Denial of Service Vulnerability
EUVD references (1)
Microsoft Security Response Center MSRC
Microsoft's vendor-authoritative record from the Security Update Guide — its own CVSS score, impact, severity rating, exploit assessment, and KB-article fixes. Refreshed 2026-08-11 01:49 UTC (source: CVRF).
- MS severity
- Important
- Impact
- Denial of Service
- MS CVSS base score
- 7.5 / 10 (temporal 6.5)
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 - Exploit assessment
- Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;DOS:N/A
- Release
- 2023-Feb
Microsoft remediations / KB articles (28)
- 5022840 — Vendor Fix / Security Update (fixed build 10.0.17763.4010)
- 5022840 — Update
- 5022842 — Vendor Fix / Security Update (fixed build 10.0.20348.1547)
- 5022842 — Update
- 5022921 — Vendor Fix / Security Hotpatch Update (fixed build 10.0.20348.1540)
- 5022834 — Vendor Fix / Security Update (fixed build 10.0.19042.2604)
- 5022834 — Update
- 5022836 — Vendor Fix / Security Update (fixed build 10.0.22621.1574)
- 5022845 — Vendor Fix / Security Update (fixed build 10.0.22621.1265)
- 5022845 — Update
- 5022858 — Vendor Fix / Security Update (fixed build 10.0.10240.19747)
- 5022838 — Vendor Fix / Security Update (fixed build 10.0.14393.5717)
- 5022890 — Vendor Fix / Monthly Rollup (fixed build 6.0.6003.21915)
- 5022890 — Update
- 5022893 — Vendor Fix / Security Only (fixed build 6.0.6003.21915)
- 5022893 — Update
- 5022872 — Vendor Fix / Monthly Rollup (fixed build 6.1.7601.26366)
- 5022872 — Update
- 5022874 — Vendor Fix / Security Only (fixed build 6.1.7601.26366)
- 5022874 — Update
- 5022903 — Vendor Fix / Monthly Rollup (fixed build 6.2.9200.24116)
- 5022903 — Update
- 5022895 — Vendor Fix / Security Only (fixed build 6.2.9200.24116)
- 5022895 — Update
- 5022899 — Vendor Fix / Monthly Rollup (fixed build 6.3.9600.20821)
- 5022899 — Update
- 5022894 — Vendor Fix / Security Only (fixed build 6.3.9600.20821)
- 5022894 — Update
Affected products (23)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Microsoft | Windows 10 Version 1809 |
10.0.17763.0 (affected)
|
32-bit Systems, x64-based Systems |
| Microsoft | Windows 10 Version 1809 |
10.0.0 (affected)
|
ARM64-based Systems |
| Microsoft | Windows Server 2019 |
10.0.17763.0 (affected)
|
x64-based Systems |
| Microsoft | Windows Server 2019 (Server Core installation) |
10.0.17763.0 (affected)
|
x64-based Systems |
| Microsoft | Windows Server 2022 |
10.0.20348.0 (affected)
|
x64-based Systems |
| Microsoft | Windows 10 Version 20H2 |
10.0.0 (affected)
|
32-bit Systems, ARM64-based Systems |
| Microsoft | Windows 11 version 21H2 |
10.0.0 (affected)
|
x64-based Systems, ARM64-based Systems |
| Microsoft | Windows 10 Version 21H2 |
10.0.19043.0 (affected)
|
32-bit Systems, ARM64-based Systems, x64-based Systems |
| Microsoft | Windows 11 version 22H2 |
10.0.22621.0 (affected)
|
ARM64-based Systems, x64-based Systems |
| Microsoft | Windows 10 Version 22H2 |
10.0.19045.0 (affected)
|
x64-based Systems, ARM64-based Systems, 32-bit Systems |
| Microsoft | Windows 10 Version 1507 |
10.0.10240.0 (affected)
|
32-bit Systems, x64-based Systems |
| Microsoft | Windows 10 Version 1607 |
10.0.14393.0 (affected)
|
32-bit Systems, x64-based Systems |
| Microsoft | Windows Server 2016 |
10.0.14393.0 (affected)
|
x64-based Systems |
| Microsoft | Windows Server 2016 (Server Core installation) |
10.0.14393.0 (affected)
|
x64-based Systems |
| Microsoft | Windows Server 2008 Service Pack 2 |
6.0.6003.0 (affected)
|
32-bit Systems |
| Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) |
6.0.6003.0 (affected)
|
32-bit Systems, x64-based Systems |
| Microsoft | Windows Server 2008 Service Pack 2 |
6.0.6003.0 (affected)
|
x64-based Systems |
| Microsoft | Windows Server 2008 R2 Service Pack 1 |
6.1.7601.0 (affected)
|
x64-based Systems |
| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) |
6.1.7601.0 (affected)
|
x64-based Systems |
| Microsoft | Windows Server 2012 |
6.2.9200.0 (affected)
|
x64-based Systems |
| Microsoft | Windows Server 2012 (Server Core installation) |
6.2.9200.0 (affected)
|
x64-based Systems |
| Microsoft | Windows Server 2012 R2 |
6.3.9600.0 (affected)
|
x64-based Systems |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |
6.3.9600.0 (affected)
|
x64-based Systems |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
- Windows iSCSI Service Denial of Service Vulnerability vendor-advisory
Web references (28)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- 5022834 msrc
- 5022836 msrc
- 5022838 msrc
- 5022840 msrc
- 5022842 msrc
- 5022845 msrc
- 5022858 msrc
- 5022872 msrc
- 5022874 msrc
- 5022890 msrc
- 5022893 msrc
- 5022894 msrc
- 5022895 msrc
- 5022899 msrc
- 5022903 msrc
- MSRC update guide: CVE-2023-21702 msrc
- 5022834 msrc
- 5022840 msrc
- 5022842 msrc
- 5022845 msrc
- 5022872 msrc
- 5022874 msrc
- 5022890 msrc
- 5022893 msrc
- 5022894 msrc
- 5022895 msrc
- 5022899 msrc
- 5022903 msrc
Remediations (14)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:www.microsoft.com
Security Update Guide Notifications Microsoft's free Security Update Guide Notifications provide links to security-related software updates and notification of re-released security updates. These notifications are sent via email throughout the month as needed.
2026-06-04 05:43 UTC -
web:www.computerworld.com
Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company's Patch Tuesday release for February ...
2026-06-04 05:43 UTC -
web:www.windowscentral.com
Microsoft has posted an online bulletin confirming that the company is investigating reports that state Windows 11's latest security update has rendered some PCs unbootable.
2026-06-04 05:43 UTC -
web:portal.msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-06-04 05:43 UTC -
web:source.android.com
Android partners are encouraged to fix all issues in this bulletin and use the latest security patch level. Devices that use the 2024-02-01 security patch level must include all issues associated with that security patch level, as well as fixes for all issues reported in previous security bulletins.
2026-05-22 05:45 UTC -
web:translate.google.com
Google's service, offered free of charge, instantly translates words, phrases, and web pages between English and over 100 other languages.
2026-05-22 05:45 UTC -
web:www.bleepingcomputer.com
Today is Microsoft's March 2026 Patch Tuesday with security updates for 79 flaws, including 2 publicly disclosed zero-day vulnerabilities.
2026-05-22 05:45 UTC -
web:www.cve.org
At cve .org, we provide the authoritative reference method for publicly known information-security vulnerabilities and exposures
2026-05-22 05:45 UTC -
web:www.oracle.com
This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.
2026-05-22 05:45 UTC -
web:cybersecuritynews.com
Microsoft's May 2026 Patch Tuesday lands with a heavy enterprise focus, fixing 120 vulnerabilities across Windows, Office, Azure, developer tools, and Microsoft 365 apps, including 29 remote code execution (RCE) flaws rated Critical.
2026-05-22 05:45 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-05-22 05:45 UTC -
web:heimdalsecurity.com
Explore six essential patch management best practices for 2026 to keep your systems secure, up to date, and protected from vulnerabilities.
2026-05-22 05:45 UTC -
web:nvd.nist.gov
The NVD is the U.S. government repository of standards based vulnerability management data represented using the Security Content Automation Protocol (SCAP). This data enables automation of vulnerability management, security measurement, and compliance. The NVD includes databases of security checklist references, security-related software flaws, product names, and impact metrics. For ...
2026-05-22 05:45 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-05-22 05:45 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2023-21702.json.
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