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  5. CVE-2021-42567

CVE-2021-42567: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

December 10, 2021

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

References

  • apereo.github.io/2021/10/18/restvuln/
  • github.com/advisories/GHSA-gfhx-jjwq-63gv
  • github.com/apereo/cas/releases
  • nvd.nist.gov/vuln/detail/CVE-2021-42567

Code Behaviors & Features

Detect and mitigate CVE-2021-42567 with GitLab Dependency Scanning

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Affected versions

All versions before 6.4.2

Fixed versions

  • 6.4.2

Solution

Upgrade to version 6.4.2 or above.

Impact 6.1 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Source file

maven/org.apereo.cas/cas-server-core-web/CVE-2021-42567.yml

Spotted a mistake? Edit the file on GitLab.

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