High severity7.5NVD Advisory· Published Oct 16, 2020· Updated Jun 17, 2026
CVE-2020-27178
CVE-2020-27178
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.apereo.cas:cas-server-webappMaven | >= 5.3.0, < 5.3.16 | 5.3.16 |
org.apereo.cas:cas-server-webappMaven | >= 6.0.0, < 6.1.7.2 | 6.1.7.2 |
org.apereo.cas:cas-server-webappMaven | >= 6.2.0, < 6.2.4 | 6.2.4 |
org.apereo.cas:cas-server-support-otp-mfa-coreMaven | >= 5.3.0, < 5.3.16 | 5.3.16 |
org.apereo.cas:cas-server-support-otp-mfa-coreMaven | >= 6.0.0, < 6.1.7.2 | 6.1.7.2 |
org.apereo.cas:cas-server-support-otp-mfa-coreMaven | >= 6.2.0, < 6.2.4 | 6.2.4 |
Affected products
3- Apereo/CASdescription
- ghsa-coords2 versions
>= 5.3.0, < 5.3.16+ 1 more
- (no CPE)range: >= 5.3.0, < 5.3.16
- (no CPE)range: >= 5.3.0, < 5.3.16
Patches
Vulnerability mechanics
References
4- apereo.github.io/2020/10/14/gauthvuln/nvdVendor Advisory
- github.com/advisories/GHSA-q39c-5vh5-vw2pghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-27178ghsaADVISORY
- apereo.github.io/2020/10/14/gauthvulnghsaWEB
News mentions
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