VULNERABILITY INTELLIGENCE

CVE-2021-42567

CVSS score6.1 MEDIUM

EPSS probability8.19%

CISA KEVNot currently listed

Published2021-12-07

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

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

Weakness classification

nvd@nist.gov: CWE-79

Primary references

cve@mitre.org — Patch, Third Party Advisory
cve@mitre.org — Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Third Party Advisory