9.8

CVE-2025-55251: hcl software aion

CVSS: 9.8v3.1CriticalAnalyzed
Published 19-01-2026Last modified 20-01-2026
Open JSON

Vulnerability summary

CVE-2025-55251 is a critical (CVSS 9.8) vulnerability in hcl software aion. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.2% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-01-2026
    PublishedVulnerability first disclosed.
  2. 20-01-2026
    Last modifiedVulnerability information updated.

Description

HCL AION is affected by an Unrestricted File Upload vulnerability. This can allow malicious file uploads, potentially resulting in unauthorized code execution or system compromise.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

0.00 pp

From 0.21% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.21%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Hcl software1 product
Hcltech1 product

2 vendors · 2 products

References

1 links