CVE-2021-28478 is a spoofing vulnerability affecting Microsoft SharePoint Server and SharePoint Foundation. With a CVSS score of 7.6 (High), it allows an authenticated attacker to achieve high confidentiality and low integrity impact through a network-based attack requiring user interaction. While there is no evidence of active exploitation, public exploit code, or KEV listing, the vulnerability has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2013CPE matchmatch criteria | cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:* | ||
2016CPE matchmatch criteria | cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:* | ||
2019CPE matchmatch criteria | cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.