CVE-2025-52639 | HCL Connections is vulnerable to sensitive information disclosure

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.

Published: 2025-11-18 Last update: 2025-11-20 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-52639 is rated Low Risk (16.6/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.03%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-52639

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-16 0.06% 0.03% -0.03%
2 2026-03-20 0.03% 0.06% +0.03%
3 2025-11-19 — 0.03% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-52639

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.5 3.1 LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.1 1.4 [email protected]
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 3.6 [email protected]

Weakness enumeration for CVE-2025-52639

Affected software / configurations for CVE-2025-52639

Vendor Product Version Raw CPE
hcltech connections 8.0 cpe:2.3:a:hcltech:connections:8.0:-:*:*:*:*:*:*
hcltech connections 8.0 cpe:2.3:a:hcltech:connections:8.0:cumulative_release1:*:*:*:*:*:*
hcltech connections 8.0 cpe:2.3:a:hcltech:connections:8.0:cumulative_release10:*:*:*:*:*:*
hcltech connections 8.0 cpe:2.3:a:hcltech:connections:8.0:cumulative_release2:*:*:*:*:*:*
hcltech connections 8.0 cpe:2.3:a:hcltech:connections:8.0:cumulative_release3:*:*:*:*:*:*
hcltech connections 8.0 cpe:2.3:a:hcltech:connections:8.0:cumulative_release4:*:*:*:*:*:*
hcltech connections 8.0 cpe:2.3:a:hcltech:connections:8.0:cumulative_release5:*:*:*:*:*:*
hcltech connections 8.0 cpe:2.3:a:hcltech:connections:8.0:cumulative_release6:*:*:*:*:*:*
hcltech connections 8.0 cpe:2.3:a:hcltech:connections:8.0:cumulative_release7:*:*:*:*:*:*
hcltech connections 8.0 cpe:2.3:a:hcltech:connections:8.0:cumulative_release8:*:*:*:*:*:*
hcltech connections 8.0 cpe:2.3:a:hcltech:connections:8.0:cumulative_release9:*:*:*:*:*:*

References for CVE-2025-52639

cvelogic Threat Intelligence