Vulnerability · Published Oct 16, 2020 · Assigned by mitre
CVE-2020-27178
High 7.5
In plain English
A high-severity security flaw in the org.apereo.cas:cas-server-support-otp-mfa-core package (Maven). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.2%top 31.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.apereo.cas:cas-server-support-otp-mfa-core | 5.3.16 | GHSA-q39c-5vh5-vw2p |
| Maven | org.apereo.cas:cas-server-support-otp-mfa-core | 6.1.7.2 | GHSA-q39c-5vh5-vw2p |
| Maven | org.apereo.cas:cas-server-support-otp-mfa-core | 6.2.4 | GHSA-q39c-5vh5-vw2p |
| Maven | org.apereo.cas:cas-server-webapp | 5.3.16 | GHSA-q39c-5vh5-vw2p |
| Maven | org.apereo.cas:cas-server-webapp | 6.1.7.2 | GHSA-q39c-5vh5-vw2p |
| Maven | org.apereo.cas:cas-server-webapp | 6.2.4 | GHSA-q39c-5vh5-vw2p |
Affected products (as reported)
References
- https://apereo.github.io/2020/10/14/gauthvuln/ x_refsource_MISC