CVE-2025-21216
published 2025-02-11CVE-2025-21216: Internet Connection Sharing (ICS) Denial of Service Vulnerability
PriorityP422medium6.5CVSS 3.1
AVAACLPRNUINSUCNINAH
EPSS
0.88%
54.3th percentile
Internet Connection Sharing (ICS) Denial of Service Vulnerability
Affected
36 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_1607 | < 10.0.14393.7785 | 10.0.14393.7785 |
| microsoft | windows_10_1809 | < 10.0.17763.6893 | 10.0.17763.6893 |
| microsoft | windows_10_21h2 | < 10.0.19044.5487 | 10.0.19044.5487 |
| microsoft | windows_10_22h2 | < 10.0.19045.5487 | 10.0.19045.5487 |
| microsoft | windows_10_version_1607 | >= 10.0.14393.0 < 10.0.14393.7785 | 10.0.14393.7785 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.6893 | 10.0.17763.6893 |
| microsoft | windows_10_version_21h2 | >= 10.0.19044.0 < 10.0.19044.5487 | 10.0.19044.5487 |
| microsoft | windows_10_version_22h2 | >= 10.0.19045.0 < 10.0.19045.5487 | 10.0.19045.5487 |
| microsoft | windows_11_22h2 | < 10.0.22621.4890 | 10.0.22621.4890 |
| microsoft | windows_11_23h2 | < 10.0.22631.4890 | 10.0.22631.4890 |
| microsoft | windows_11_24h2 | < 10.0.26100.3194 | 10.0.26100.3194 |
| microsoft | windows_11_version_22h2 | >= 10.0.22621.0 < 10.0.22621.4890 | 10.0.22621.4890 |
| microsoft | windows_11_version_22h3 | >= 10.0.22631.0 < 10.0.22631.4890 | 10.0.22631.4890 |
| microsoft | windows_11_version_23h2 | >= 10.0.22631.0 < 10.0.22631.4890 | 10.0.22631.4890 |
| microsoft | windows_11_version_24h2 | >= 10.0.26100.0 < 10.0.26100.3194 | 10.0.26100.3194 |
| microsoft | windows_server_2016 | < 10.0.14393.7785 | 10.0.14393.7785 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.7785 | 10.0.14393.7785 |
| microsoft | windows_server_2019 | < 10.0.17763.6893 | 10.0.17763.6893 |
| microsoft | windows_server_2019 | >= 10.0.17763.0 < 10.0.17763.6893 | 10.0.17763.6893 |
| microsoft | windows_server_2022 | < 10.0.20348.3207 | 10.0.20348.3207 |
| microsoft | windows_server_2022 | >= 10.0.20348.0 < 10.0.20348.3207 | 10.0.20348.3207 |
| microsoft | windows_server_2022_23h2 | < 10.0.25398.1425 | 10.0.25398.1425 |
| microsoft | windows_server_2025 | < 10.0.26100.3194 | 10.0.26100.3194 |
| microsoft | windows_server_2025 | >= 10.0.26100.0 < 10.0.26100.3194 | 10.0.26100.3194 |
| msrc | windows_10_version_1607 | — | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
vendor_msrc6.5MEDIUM
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GHSA
GHSA-x2mr-xj96-pc8h: Internet Connection Sharing (ICS) Denial of Service Vulnerability
ghsa_unreviewed·2025-02-11
CVE-2025-21216 [MEDIUM] CWE-125 GHSA-x2mr-xj96-pc8h: Internet Connection Sharing (ICS) Denial of Service Vulnerability
Internet Connection Sharing (ICS) Denial of Service Vulnerability
Microsoft
Internet Connection Sharing (ICS) Denial of Service Vulnerability
vendor_msrc·2025-02-11·CVSS 6.5
CVE-2025-21216 [MEDIUM] CWE-125 Internet Connection Sharing (ICS) Denial of Service Vulnerability
Internet Connection Sharing (ICS) Denial of Service Vulnerability
FAQ: According to the CVSS metrics, successful exploitation of this vulnerability could lead to major loss of availability (A:H). What does that mean for this vulnerability?
An attacker can send specially crafted packets which could affect availability of the service and result in Denial of Service (DoS).
FAQ: According to the CVSS score, the attack vector is adjacent (AV:A). What does this mean for this vulnerability?
This attack is limited to systems connected to the same network segment as the attacker. The attack cannot be performed across multiple networks (for example, a WAN) and would be limited to systems on the same network switch or virtual network.
Windows Internet Connection Sharing (ICS): Windows Internet Con
No detection rules found.
No public exploits indexed.
2025-02-11
Published