Vulnerability in Hcl Software Aion
CVE-2025-55249
HCL AION is affected by a Missing Security Response Headers vulnerability. The absence of standard security headers may weaken the application’s overall security posture and increase its susceptibility to common web-based attacks.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (9.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Hcl Software Aion — versions 2
- Hcltech Aion — versions 2.0.0
Weakness classification (CWE)
References
- support.hcl-software.com/kb_view.do (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-55249?
- CVE-2025-55249 is a low-severity vulnerability in Hcl Software Aion, classified under Protection Mechanism Failure. CVSS score: 3.5/10. Published 2026-01-19.
- How severe is CVE-2025-55249?
- Low severity. CVSS v3 base score is 3.5 out of 10.