The Check Point Gaia Portal's GUI Clients allowed authenticated administrators with permission for the GUI Clients settings to inject a command that would run on the Gaia OS.
Conclusion & alert: CVE-2021-30361 is rated Moderate Risk (58.6/100): CVSS Medium severity, with high exploitation likelihood (EPSS 4.36%, 90th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
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 | 2026-07-05 | 4.11% | 4.36% | +0.25% |
| 2 | 2026-06-15 | 0.21% | 4.11% | +3.90% |
| 3 | 2025-05-27 | — | 0.21% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.7 | 3.1 | MEDIUM |
|
0.8 | 5.9 | [email protected] |
| 6.9 | 2.0 | MEDIUM |
|
3.4 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| checkpoint | gaia_portal | < 2022-04-13 | cpe:2.3:a:checkpoint:gaia_portal:*:*:*:*:*:*:*:* |
| checkpoint | gaia_os | — | cpe:2.3:o:checkpoint:gaia_os:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://supportcontent.checkpoint.com/solutions?id=sk179128 | Patch Vendor Advisory |