5.3

CVE-2025-52633: hcl aion

CVSS: 5.3v3.1MediumAnalyzed
Published 03-02-2026Last modified 03-02-2026
Open JSON

Vulnerability summary

CVE-2025-52633 is a medium (CVSS 5.3) vulnerability in hcl aion. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.9% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.21%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-02-2026
    PublishedVulnerability first disclosed.
  2. 03-02-2026
    Last modifiedVulnerability information updated.

Description

HCL AION is affected by a Permanent Cookie Containing Sensitive Session Information vulnerability. It is storing sensitive session data in persistent cookies may increase the risk of unauthorized access if the cookies are intercepted or compromised. This issue affects AION: 2.0.

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

+0.03 pp

From 0.19% 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

Hcl1 product
Hcltech1 product

2 vendors · 2 products

References

1 links