CVE-2021-40484 is a spoofing vulnerability affecting Microsoft SharePoint Server, including Enterprise, Foundation, and Server editions. Rated High with a CVSS score of 7.6, it requires user interaction and low privileges, allowing an attacker to achieve high confidentiality impact and low integrity impact over the network. While no public exploit code or active exploitation has been observed, and it is not listed in CISA's KEV catalog, it received some media coverage and community discussion at the time of its disclosure.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2016CPE matchmatch criteria | cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:* | ||
2013CPE matchmatch criteria | cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:* | ||
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.