The bb-auth-provider-cas authentication module within Blackboard Learn 2018-07-02 is…
Priority LOW 30CWE-601Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-601.
Summary
The bb-auth-provider-cas authentication module within Blackboard Learn 2018-07-02 is susceptible to HTTP host header spoofing during Central Authentication Service (CAS) service ticket validation, enabling a phishing attack from the CAS server login page.
Why it matters now
EPSS 0.0121 68th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:blackboard:blackboard_learn:2018-07-02:*:*:*:*:*:*:* | 2018-07-02 | Vulnerable | Blackboard |
- cpe:2.3:a:blackboard:blackboard_learn:2018-07-02:*:*:*:*:*:*:* Versions 2018-07-02 Vulnerable ·Blackboard
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-13257
- 2026-10-03 Alias added: GHSA-mjpp-cj33-843w
References
More Blackboard Learn vulnerabilities
- TI-2022-18576 Blackboard Learn 1.10.1 allows remote authenticated users to read unintended files by… CVSS 3.1MEDIUM 6.5
- TI-2017-13447 Blackboard Learn (Since at least 17th of October 2017) has allowed Unvalidated Redirects… CVSS 3.0MEDIUM 6.1
- TI-2021-14872 Blackboard Learn through 9.1 allows XSS by an authenticated user via the Feedback to Learner form. CVSS 3.1MEDIUM 5.4
- TI-2021-14871 Blackboard Learn through 9.1 allows XSS by an authenticated user via the Assignment Instructions HTML editor. CVSS 3.1MEDIUM 5.4
- TI-2020-07228 Stored Cross-site scripting (XSS) vulnerability in Blackboard Learn/PeopleTool v9.1… CVSS 3.1MEDIUM 5.4
Sources
- CVE-2018-13257 · CVE Program
- CVE-2018-13257 · NVD
- FIRST EPSS
- GHSA-mjpp-cj33-843w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences