An issue in HCL Technologies Limited HCLTech GRAGON before v.7.6.0 allows a remote attacker to execute arbitrary code via APIs do not enforcing limits on the number or size of requests
Conclusion & alert: CVE-2025-63402 is rated Low Risk (37.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.21%). 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 | 2026-05-01 | 0.44% | 0.21% | -0.22% |
| 2 | 2026-04-04 | 0.30% | 0.44% | +0.14% |
| 3 | 2025-12-19 | — | 0.30% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
0.7 | 4.7 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| URL | Tags |
|---|---|
| http://hcl.com | Product |
| http://hcltech.com | Product |
| https://excalibur-hcl.my.salesforce.com/sfc/p/#U0000000YO14/a/Pf000003dyVd/ckzaFpdm68dwd1nWqgtLfXHp3Pim_YwLUI4WcRB__Ng | Vendor Advisory |