CVE-2020-0661 is a denial of service vulnerability in Microsoft Hyper-V affecting Windows 10, Windows Server 2016, and Windows Server 2019. A privileged user on a guest operating system can exploit this by providing malformed input, causing a denial of service on the host server. The vulnerability has a CVSS score of 6.8 (Medium), indicating an adjacent network attack vector with low complexity and a high impact on availability. There is no evidence of active exploitation, public exploit code, or inclusion in CISA's KEV catalog, though it has received some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1607CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:* | ||
1809CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:* | ||
1909CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* | ||
1903CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.