CVE-2006-0511
Blackboard Academic Suite 6.0 and earlier does not properly clear session information when de-authenticating a user who is idle, which…
- 4.3MediumCVSS base score
- 0.36%Exploitation in 30 daysEPSS · top 69% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By mitre
Published
- 19 years later
· 19 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:L/AC:L/Au:S/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 0.36% · top 69% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
n/a
- affected n/a
References
References5
- 16438 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20060202 Re: Blackboard Authentication Error (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20060201 Re: Blackboard Authentication Error (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20060201 Blackboard Authentication Error (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 28023 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2006-0518 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2006-0511)Record last updated .