CVE-2025-31961Network attack vector

Authenticated data modification through undisclosed access-control flaw

Published Aug 15, 2025 · Updated Aug 15, 2025

Broken access control in HCL Connections 8.0 allows remote authenticated users to update data through network requests. HCL has not published the affected component, request, data object, or authorization check that fails. Exploitation requires low-privileged access, user interaction, and specific conditions; the reported impact is limited data modification and disclosure without service interruption.

CVSS severity4.6
Medium
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Broken access control in HCL Connections 8.0 allows remote authenticated users to update data through network requests. HCL has not published the affected component, request, data object, or authorization check that fails. Exploitation requires low-privileged access, user interaction, and specific conditions; the reported impact is limited data modification and disclosure without service interruption.

The record

CVE
CVE-2025-31961
Published
Aug 15, 2025
Updated
Aug 15, 2025
Vendor
HCL Software
Product
HCL Connections
Classifications
CWE-1220
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 15, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 15, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=8.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

HCL Software · HCL Connectionsversion=8.0

Published CVSS scores

3.7HCL SoftwareCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
4.6NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1220Insufficient Granularity of Access Control

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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