CVE-2022-21987 is a high-severity spoofing vulnerability affecting Microsoft SharePoint Server, SharePoint Foundation, and SharePoint Enterprise Server. With a CVSS score of 8.0, it can be exploited remotely with low attack complexity, potentially leading to high impact on confidentiality, integrity, and availability if a user is tricked into interacting with a malicious link. While not currently listed in CISA's KEV catalog, there is no public exploit code available, and community discussion and media coverage are minimal, suggesting limited active exploitation.
| 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:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:microsoft:sharepoint_server:-:*:*:*:subscription:*:*:* | ||
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:U/C:H/I:H/A:H
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.