HCL Sametime is impacted by a failure to invalidate sessions
Priority LOW 33CWE-613Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass, Spoofing
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-613 and CWE-384.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00354 29th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| HCL Software | HCL Sametime | 11.5, 11.6, 11.6 IF1, 12.0, 12.0 FP1, 12.0.1, 12.0.1 FP1 | — | No fix listed | CNA |
- HCL Sametime VendorHCL Software Affected 11.5, 11.6, 11.6 IF1, 12.0, 12.0 FP1, 12.0.1, 12.0.1 FP1 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hcltech:sametime:*:*:*:*:*:*:*:* | 11.5 to before 12.0.2 | Vulnerable | HCL Software |
- cpe:2.3:a:hcltech:sametime:*:*:*:*:*:*:*:* Versions 11.5 to before 12.0.2 Vulnerable ·HCL Software
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-45718
- 2026-10-03 Alias added: GHSA-3f8r-x482-8qpg
References
More HCL Software Sametime vulnerabilities
- TI-2021-09166 HCL Sametime is vulnerable to arbitrary HTTP requests CVSS 3.1HIGH 8.8
- TI-2023-27540 HCL Sametime is impacted by a Cross Site Request Forgery (CSRF) vulnerability CVSS 3.1HIGH 8.8
- TI-2021-09167 HCL Sametime is susceptible a file transfer service vulnerability CVSS 3.1HIGH 8.2
- TI-2022-20647 HCL Sametime 12.0 and 12.0FP1 anonymous users have directory lookup access CVSS 3.1MEDIUM 6.5
- TI-2023-24490 HCL Sametime is impacted by an autocomplete enabled vulnerability CVSS 3.1HIGH 7.5
- TI-2021-09168 HCL Sametime is vulnerable to an information disclosure CVSS 3.1HIGH 7.1
Sources
- CVE-2023-45718 · CVE Program
- CVE-2023-45718 · NVD
- FIRST EPSS
- GHSA-3f8r-x482-8qpg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences