CVE-2021-42567 is a medium-severity Cross-Site Scripting (XSS) vulnerability affecting Apereo CAS through version 6.4.1, allowing attackers to inject malicious scripts via POST requests to REST API endpoints. This vulnerability has a CVSS score of 6.1, indicating a low attack complexity and requiring user interaction, with potential impacts on confidentiality and integrity. While no active exploitation or Metasploit modules are reported, Nuclei templates exist for detection, and there is minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 6.3.0, < 6.3.7.1CPE matchmatch criteria | cpe:2.3:a:apereo:central_authentication_service:*:*:*:*:*:*:*:* | ||
>= 6.4.0, < 6.4.2CPE matchmatch criteria | cpe:2.3:a:apereo:central_authentication_service:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.