CVE-2013-3977
The Meeting Server in IBM Sametime 8.x through 8.5.2.1 and 9.x through 9.0.0.1 allows remote...
The Meeting Server in IBM Sametime 8.x through 8.5.2.1 and 9.x through 9.0.0.1 allows remote attackers to determine which meeting rooms are owned by a user by leveraging knowledge of valid user names.
Exploit likelihood
What each source reports
NVD Score used
4.3
The Meeting Server in IBM Sametime 8.x through 8.5.2.1 and 9.x through 9.0.0.1 allows remote attackers to determine which meeting rooms are owned by a user by leveraging knowledge of valid user names.
- Record
CVE-2013-3977- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
The Meeting Server in IBM Sametime 8.x through 8.5.2.1 and 9.x through 9.0.0.1 allows remote attackers to determine which meeting rooms are owned by a user by leveraging knowledge of valid user names.
- Record
CVE-2013-3977- Updated
- 2026-11-02
EUVDEUVD-2013-3909 No score
The Meeting Server in IBM Sametime 8.x through 8.5.2.1 and 9.x through 9.0.0.1 allows remote attackers to determine which meeting rooms are owned by a user by leveraging knowledge of valid user names.
- Record
EUVD-2013-3909- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8x8p-v7x6-7pfq No score
The Meeting Server in IBM Sametime 8.x through 8.5.2.1 and 9.x through 9.0.0.1 allows remote...
The Meeting Server in IBM Sametime 8.x through 8.5.2.1 and 9.x through 9.0.0.1 allows remote attackers to determine which meeting rooms are owned by a user by leveraging knowledge of valid user names.
- Record
GHSA-8x8p-v7x6-7pfq- Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | IBM Lotus Notes Sametime Room Name Bruteforce | 2013-12-27 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-3977 is a medium vulnerability (CVSS 4.3) in Ibm Sametime, published May 26, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 9.05%, the 95th percentile. No source names a fixed version.