CVE-2021-42278 is an Active Directory Domain Services Elevation of Privilege vulnerability affecting multiple versions of Microsoft Windows Server. This high-severity flaw (CVSS 7.5) allows a low-privileged attacker to achieve full domain takeover with high impact on confidentiality, integrity, and availability, despite requiring high attack complexity. The vulnerability is actively exploited in the wild, including by ransomware campaigns, and has garnered significant community discussion and media attention, although public exploit code is not readily available.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 10.0.19041.1348CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* | ||
r2CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* | ||
r2CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 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.