Multiple classes used within Apereo CAS before release 6.1.0-RC5 makes use of apache…
Priority LOW 39CWE-338Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
Multiple classes used within Apereo CAS before release 6.1.0-RC5 makes use of apache commons-lang3 RandomStringUtils for token and ID generation which makes them predictable due to RandomStringUtils PRNG's algorithm not being cryptographically strong.
Why it matters now
EPSS 0.01767 78th percentileScored 2026-11-07
Fix Fixed org.apereo.cas:cas-server-support-simple-mfa (Maven): 6.1.0-RC5org.apereo.cas:cas-server-support-oidc (Maven): 6.1.0-RC5+4 more products
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Apereo CAS | All versions prior to version 6.1.0-RC5 | — | No fix listed | CNA |
| — | org.apereo.cas:cas-server-support-simple-mfa (Maven) | before 6.1.0-RC5 | 6.1.0-RC5 | Patch available | GHSA-g24w-373r-5pxg |
| — | org.apereo.cas:cas-server-support-oidc (Maven) | before 6.1.0-RC5 | 6.1.0-RC5 | Patch available | GHSA-g24w-373r-5pxg |
| — | org.apereo.cas:cas-server-core-services-api (Maven) | before 6.1.0-RC5 | 6.1.0-RC5 | Patch available | GHSA-g24w-373r-5pxg |
| — | org.apereo.cas:cas-server-support-oauth-core-api (Maven) | before 6.1.0-RC5 | 6.1.0-RC5 | Patch available | GHSA-g24w-373r-5pxg |
| — | org.apereo.cas:cas-server-support-shell (Maven) | before 6.1.0-RC5 | 6.1.0-RC5 | Patch available | GHSA-g24w-373r-5pxg |
| — | org.apereo.cas:cas-server-core-services-authentication (Maven) | before 6.1.0-RC5 | 6.1.0-RC5 | Patch available | GHSA-g24w-373r-5pxg |
- Apereo CAS Vendor— Affected All versions prior to version 6.1.0-RC5 Fixed in — No fix listed CNA
- org.apereo.cas:cas-server-support-simple-mfa (Maven) Vendor— Affected before 6.1.0-RC5 Fixed in 6.1.0-RC5 Patch available GHSA-g24w-373r-5pxg
- org.apereo.cas:cas-server-support-oidc (Maven) Vendor— Affected before 6.1.0-RC5 Fixed in 6.1.0-RC5 Patch available GHSA-g24w-373r-5pxg
- org.apereo.cas:cas-server-core-services-api (Maven) Vendor— Affected before 6.1.0-RC5 Fixed in 6.1.0-RC5 Patch available GHSA-g24w-373r-5pxg
- org.apereo.cas:cas-server-support-oauth-core-api (Maven) Vendor— Affected before 6.1.0-RC5 Fixed in 6.1.0-RC5 Patch available GHSA-g24w-373r-5pxg
- org.apereo.cas:cas-server-support-shell (Maven) Vendor— Affected before 6.1.0-RC5 Fixed in 6.1.0-RC5 Patch available GHSA-g24w-373r-5pxg
- org.apereo.cas:cas-server-core-services-authentication (Maven) Vendor— Affected before 6.1.0-RC5 Fixed in 6.1.0-RC5 Patch available GHSA-g24w-373r-5pxg
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apereo:central_authentication_service:*:*:*:*:*:*:*:* | up to 6.0.5.1 | Vulnerable | Apereo |
| cpe:2.3:a:apereo:central_authentication_service:6.1.0:rc1:*:*:*:*:*:* | 6.1.0 rc1 | Vulnerable | Apereo |
| cpe:2.3:a:apereo:central_authentication_service:6.1.0:rc2:*:*:*:*:*:* | 6.1.0 rc2 | Vulnerable | Apereo |
| cpe:2.3:a:apereo:central_authentication_service:6.1.0:rc3:*:*:*:*:*:* | 6.1.0 rc3 | Vulnerable | Apereo |
| cpe:2.3:a:apereo:central_authentication_service:6.1.0:rc4:*:*:*:*:*:* | 6.1.0 rc4 | Vulnerable | Apereo |
- cpe:2.3:a:apereo:central_authentication_service:*:*:*:*:*:*:*:* Versions up to 6.0.5.1 Vulnerable ·Apereo
- cpe:2.3:a:apereo:central_authentication_service:6.1.0:rc1:*:*:*:*:*:* Versions 6.1.0 rc1 Vulnerable ·Apereo
- cpe:2.3:a:apereo:central_authentication_service:6.1.0:rc2:*:*:*:*:*:* Versions 6.1.0 rc2 Vulnerable ·Apereo
- cpe:2.3:a:apereo:central_authentication_service:6.1.0:rc3:*:*:*:*:*:* Versions 6.1.0 rc3 Vulnerable ·Apereo
- cpe:2.3:a:apereo:central_authentication_service:6.1.0:rc4:*:*:*:*:*:* Versions 6.1.0 rc4 Vulnerable ·Apereo
Remediation
- Fix · GHSA-g24w-373r-5pxg org.apereo.cas:cas-server-support-simple-mfa (Maven) Fixed in 6.1.0-RC5 Advisory →
- Fix · GHSA-g24w-373r-5pxg org.apereo.cas:cas-server-support-oidc (Maven) Fixed in 6.1.0-RC5 Advisory →
- Fix · GHSA-g24w-373r-5pxg org.apereo.cas:cas-server-core-services-api (Maven) Fixed in 6.1.0-RC5 Advisory →
- Fix · GHSA-g24w-373r-5pxg org.apereo.cas:cas-server-support-oauth-core-api (Maven) Fixed in 6.1.0-RC5 Advisory →
- Fix · GHSA-g24w-373r-5pxg org.apereo.cas:cas-server-support-shell (Maven) Fixed in 6.1.0-RC5 Advisory →
- Fix · GHSA-g24w-373r-5pxg org.apereo.cas:cas-server-core-services-authentication (Maven) Fixed in 6.1.0-RC5 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2019-10754
- 2026-10-03 Alias added: GHSA-g24w-373r-5pxg
References
More Apereo Central Authentication Service vulnerabilities
- TI-2023-13363 LDAP password leak in Apereo CAS - GHSL-2023-009 CVSS 3.1HIGH 7.5
- TI-2024-10382 Apereo CAS login session expiration CVSS 4.0MEDIUM 6.3
- TI-2024-10383 Apereo CAS 2FA login improper authentication CVSS 4.0MEDIUM 5.3
- TI-2024-10381 Apereo CAS login redirect CVSS 4.0MEDIUM 5.3
- TI-2024-04097 CAS <= 1.0.0 - Unauthenticated SSRF CVSS 3.1CRITICAL 9.1
- TI-2023-04254 MFA bypass in Apereo CAS CVSS 3.1CRITICAL 9.8
Sources
- CVE-2019-10754 · CVE Program
- CVE-2019-10754 · NVD
- FIRST EPSS
- GHSA-g24w-373r-5pxg · GitHub Advisory Database · CC BY 4.0
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