CVE-2025-51736Network attack vector

Authenticated upload of dangerous files

Published Nov 28, 2025 · Updated Nov 28, 2025

Unrestricted file upload in HCL Software Unica 12.0.0 allows remote authenticated users to upload dangerous files over the network. The public CVE record and its sole referenced disclosure do not identify the affected upload endpoint or the missing validation operation. Low-privilege application access is required; no public source identifies what happens after upload or whether server-side execution is possible.

CVSS severity6.3
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in HCL Software Unica 12.0.0 allows remote authenticated users to upload dangerous files over the network. The public CVE record and its sole referenced disclosure do not identify the affected upload endpoint or the missing validation operation. Low-privilege application access is required; no public source identifies what happens after upload or whether server-side execution is possible.

The record

CVE
CVE-2025-51736
Published
Nov 28, 2025
Updated
Nov 28, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-434, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 28, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 28, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.3CISA ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

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-434Unrestricted Upload of File with Dangerous Type
T1190Exploit Public-Facing Application

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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