CVE-2025-31987Network attack vector

Service interruption via uploaded-document resource exhaustion

Published Aug 14, 2025 · Updated Aug 15, 2025

Asymmetric resource consumption in HCL Connections Docs 2.0.2 allows remote authenticated users to exhaust resources via uploaded documents. HCL has not disclosed the affected validation routine or how a crafted document causes disproportionate resource use. Successful exploitation requires low privileges, a document upload, and user interaction; the resulting exhaustion interrupts service.

CVSS severity4.8
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Asymmetric resource consumption in HCL Connections Docs 2.0.2 allows remote authenticated users to exhaust resources via uploaded documents. HCL has not disclosed the affected validation routine or how a crafted document causes disproportionate resource use. Successful exploitation requires low privileges, a document upload, and user interaction; the resulting exhaustion interrupts service.

The record

CVE
CVE-2025-31987
Published
Aug 14, 2025
Updated
Aug 15, 2025
Vendor
HCL Software
Product
HCL Connections Docs
Classifications
CWE-405, T1499.003
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 14, 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=2.0.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

HCL Software · HCL Connections Docsversion=2.0.2

Published CVSS scores

4.8HCL SoftwareCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

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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-405Asymmetric Resource Consumption (Amplification)
T1499.003Application Exhaustion Flood

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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