CVE-2023-45718
HCL Sametime is impacted by a failure to invalidate sessions
Sametime is impacted by a failure to invalidate sessions. The application is setting sensitive cookie values in a persistent manner in Sametime Web clients. When this happens, cookie values can remain valid even after a user has closed out their session.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
3.9
HCL Sametime is impacted by a failure to invalidate sessions
Sametime is impacted by a failure to invalidate sessions. The application is setting sensitive cookie values in a persistent manner in Sametime Web clients. When this happens, cookie values can remain valid even after a user has closed out their session.
- Record
CVE-2023-45718- CVSS 3.1
- 3.9 Low
CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-613
- Updated
- 2026-11-02
EUVDEUVD-2023-50007
3.9
Sametime is impacted by a failure to invalidate sessions. The application is setting sensitive cookie values in a persistent manner in Sametime Web clients. When this happens, cookie values can remain valid even after a user has closed out their session.
- Record
EUVD-2023-50007- CVSS 3.1
- 3.9 Low
CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3f8r-x482-8qpg
3.9
Sametime is impacted by a failure to invalidate sessions. The application is setting sensitive...
Sametime is impacted by a failure to invalidate sessions. The application is setting sensitive cookie values in a persistent manner in Sametime Web clients. When this happens, cookie values can remain valid even after a user has closed out their session.
- Record
GHSA-3f8r-x482-8qpg- CVSS 3.1
- 3.9 Low
CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-384, CWE-613
- Updated
- 2026-11-02
NVD
3.9
Sametime is impacted by a failure to invalidate sessions. The application is setting sensitive cookie values in a persistent manner in Sametime Web clients. When this happens, cookie values can remain valid even after a user has closed out their session.
- Record
CVE-2023-45718- CVSS 3.1
- 3.9 Low
CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-384, CWE-613
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-45718 is a low vulnerability (CVSS 3.9) in Hcl Software Sametime, published February 9, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 29th percentile. No source names a fixed version.