CVE-2006-0511
** DISPUTED ** Blackboard Academic Suite 6.0 and earlier does not properly clear session...
Blackboard Academic Suite 6.0 and earlier does not properly clear session information when de-authenticating a user who is idle, which allows subsequent users to log in as the previous user and gain privileges. NOTE: the vendor has disputed this issue, saying that "This is a customer specific issue related to their Kerberos authentication single sign-on application and not a vulnerability in the Blackboard product.
Exploit likelihood
What each source reports
NVD Score used
Blackboard Academic Suite 6.0 and earlier does not properly clear session information when de-authenticating a user who is idle, which allows subsequent users to log in as the previous user and gain privileges. NOTE: the vendor has disputed this issue, saying that "This is a customer specific issue related to their Kerberos authentication single sign-on application and not a vulnerability in the Blackboard product.
- Record
CVE-2006-0511- CVSS 2.0
- 4.3 Medium
AV:L/AC:L/Au:S/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
Blackboard Academic Suite 6.0 and earlier does not properly clear session information when de-authenticating a user who is idle, which allows subsequent users to log in as the previous user and gain privileges. NOTE: the vendor has disputed this issue, saying that "This is a customer specific issue related to their Kerberos authentication single sign-on application and not a vulnerability in the Blackboard product.
- Record
CVE-2006-0511- Updated
- 2026-11-02
EUVDEUVD-2006-0518 No score
Blackboard Academic Suite 6.0 and earlier does not properly clear session information when de-authenticating a user who is idle, which allows subsequent users to log in as the previous user and gain privileges. NOTE: the vendor has disputed this issue, saying that "This is a customer specific issue related to their Kerberos authentication single sign-on application and not a vulnerability in the Blackboard product.
- Record
EUVD-2006-0518- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xwp8-fr9p-xj9v No score
** DISPUTED ** Blackboard Academic Suite 6.0 and earlier does not properly clear session...
** DISPUTED ** Blackboard Academic Suite 6.0 and earlier does not properly clear session information when de-authenticating a user who is idle, which allows subsequent users to log in as the previous user and gain privileges. NOTE: the vendor has disputed this issue, saying that "This is a customer specific issue related to their Kerberos authentication single sign-on application and not a vulnerability in the Blackboard product."
- Record
GHSA-xwp8-fr9p-xj9v- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-0511 is a medium vulnerability (CVSS 4.3) in Blackboard, published February 1, 2006. Its validity is disputed. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 30th percentile.