CVE-2006-0511

What it is

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.

At a glance

Exploitability

Can be exploited locally on the machine with a login. Limited direct impact.

Exploit odds

0.4% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2006-02-01 23:02 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 22:20 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.4% in the next 30 days (EPSS).
• Severity: 4.3 MEDIUM (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2006-02-01 23:02 UTC

Last modified

2026-06-16 22:20 UTC

Exploit probability

0.4% · EPSS, next 30 days

Record status

Modified

Affected

• Blackboard 5.0
• Blackboard 5.0.2
• Blackboard 5.5
• Blackboard 5.5.1
• Blackboard 6.0
• Blackboard Academic Suite 6.0

Attack profile CVSS 2.0 · 4.3

Attack vector

Local

Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2006-0511.md and follow it. Check whether this project is affected by CVE-2006-0511. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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