HCL Sametime is impacted by misconfigured security related HTTP headers. It was identified that some HTTP headers were missing on web service responses. This will lead to less secure browser default treatment for the policies controlled by these headers.
Conclusion & alert: CVE-2024-30122 is rated Low Risk (36.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.16%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-12-01 | 0.10% | 0.16% | +0.06% |
| 2 | 2025-11-21 | 0.19% | 0.10% | -0.09% |
| 3 | 2025-11-18 | — | 0.19% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.8 | 3.1 | MEDIUM |
|
1.6 | 3.7 | [email protected] |
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | [email protected] |
| URL | Tags |
|---|---|
| https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0115627 | Vendor Advisory |