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  5. CVE-2020-27178

CVE-2020-27178: Improper Authentication in Apereo CAS

August 2, 2021

Apereo CAS 5.3.x before 5.3.16, 6.x before 6.1.7.2, 6.2.x before 6.2.4, and 6.3.x before 6.3.0-RC4 mishandles secret keys with Google Authenticator for multifactor authentication.

References

  • apereo.github.io/2020/10/14/gauthvuln/
  • github.com/advisories/GHSA-q39c-5vh5-vw2p
  • nvd.nist.gov/vuln/detail/CVE-2020-27178

Code Behaviors & Features

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Affected versions

All versions starting from 5.3.0 before 5.3.16, all versions starting from 6.0.0 up to 6.1.7.1, all versions starting from 6.2.0 before 6.2.4

Fixed versions

  • 5.3.16
  • 6.1.7.2
  • 6.2.4

Solution

Upgrade to versions 5.3.16, 6.1.7.2, 6.2.4 or above.

Impact 7.5 HIGH

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

Learn more about CVSS

Source file

maven/org.apereo.cas/cas-server-webapp/CVE-2020-27178.yml

Spotted a mistake? Edit the file on GitLab.

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