What is CVE-2025-63402?

CVE-2025-63402 is a medium-severity vulnerability in Hcltech Dragon, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2025-12-03.

How severe is CVE-2025-63402?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Resource exhaustion in Hcltech Dragon

CVE-2025-63402

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

Published 2025-12-03 · last modified 2026-07-05.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:H/A:L.

EPSS exploit prediction

EPSS: 0.003 (23.6th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Hcltech Dragon

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

hcltech.com (Product)
hcl.com (Product)
excalibur-hcl.my.salesforce.com/sfc/p/ (Vendor Advisory)

Frequently asked questions

What is CVE-2025-63402?: CVE-2025-63402 is a medium-severity vulnerability in Hcltech Dragon, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2025-12-03.
How severe is CVE-2025-63402?: Medium severity. CVSS v3 base score is 5.5 out of 10.