Vulnerability CVE-2021-42567
Published: 2021-12-07

Description:
Apereo CAS through 6.4.1 allows XSS via POST requests sent to the REST API endpoints.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Apereo -> Central authentication service 

 References:
https://apereo.github.io/2021/10/18/restvuln/
https://github.com/apereo/cas/releases
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