VDB
GSD-2023-21811
GSD-2023-21811
PUBLISHED
CVSS 7.5 HIGH
Record from circl · Published April 21, 2026
Windows iSCSI Service Denial of Service Vulnerability
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| Windows 10 Version 22H2 | Microsoft | 10.0.19045.2604 |
| Windows Server 2012 R2 | Microsoft | 6.3.9600.20821 |
Risk scores
CVSS 3.1
7.5
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
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 |
| microsoft | windows_11_22H2 | 10.0.22621.0 |
| Microsoft | Windows 11 version 21H2 | 10.0.0 |
| microsoft | windows_server_2008_R2 | 6.1.7601.0 |
| Microsoft | Windows 10 Version 21H2 | 10.0.19043.0 |
| Microsoft | Windows Server 2012 | 6.2.9200.0 |
| microsoft | windows_server_2012 | 6.2.9200.0 |
| Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) | 6.0.6003.0 |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.6003.0 |
| Microsoft | Windows Server 2008 R2 Service Pack 1 | 6.1.7601.0 |
| microsoft | windows_10_1607 | 10.0.14393.0 |
| microsoft | windows_server_2008_sp2 | 6.0.6003.0 |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.6003.0 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 |
| Microsoft | Windows 10 Version 20H2 | 10.0.0 |
| microsoft | windows_server_2012_R2 | 6.3.9600.0 |
| microsoft | windows_11_21H2 | 10.0.0 |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 |
| Microsoft | Windows Server 2016 | 10.0.14393.0 |
…and 17 more
Timeline
- Apr 21, 2026 Security Advisory
- Apr 21, 2026 CVE Published
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln GSD-2023-21811
vulnetix vdb fixes GSD-2023-21811
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/GSD-2023-21811/fixes/registry"
The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart
References
- Windows iSCSI Service Denial of Service Vulnerability vendor-advisory