CVE-2020-27178

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 45%
VendorProductVersion
apereocentral_authentication_service
5.3.0 ≤
𝑥
< 5.3.16
apereocentral_authentication_service
6.0.0 ≤
𝑥
< 6.1.7.2
apereocentral_authentication_service
6.2.0 ≤
𝑥
< 6.2.4
apereocentral_authentication_service
6.3.0:rc1
apereocentral_authentication_service
6.3.0:rc2
apereocentral_authentication_service
6.3.0:rc3
𝑥
= Vulnerable software versions
References
https://apereo.github.io/2020/10/14/gauthvuln/
https://apereo.github.io/2020/10/14/gauthvuln/