6.5

CVE-2025-52639: hcl software connections

CVSS: 6.5v3.1MediumAnalyzed
Published 18-11-2025Last modified 18-11-2025

Vulnerability summary

CVE-2025-52639 is a medium (CVSS 6.5) vulnerability in hcl software connections. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.8% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.23%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 18-11-2025
    PublishedVulnerability first disclosed.
  2. 18-11-2025
    Last modifiedVulnerability information updated.

Description

HCL Connections is vulnerable to a sensitive information disclosure vulnerability which could allow a user to obtain sensitive information they are not entitled to, caused by improper rendering of application data.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

+0.01 pp

From 0.21% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.23%

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
  • connections8.0 | 8.0:cumulative_release1 | 8.0:cumulative_release10 | 8.0:cumulative_release2 | 8.0:cumulative_release3 | 8.0:cumulative_release4 | 8.0:cumulative_release5 | 8.0:cumulative_release6 | 8.0:cumulative_release7 | 8.0:cumulative_release8 | 8.0:cumulative_release9

2 vendors · 2 products

References

1 links