CVE-2025-46384Network attack vector

Authenticated upload of dangerous files

Published Jul 20, 2025 · Updated Jul 21, 2025

Unrestricted dangerous-file upload in Emby Windows 4.8 allows remote authenticated users to place potentially executable files. The publishing CNA has not disclosed the affected upload interface or the validation operation that accepts a dangerous type. Low-privilege network access is required; subsequent file processing and the resulting concrete compromise are not public.

CVSS severity8.8
High
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted dangerous-file upload in Emby Windows 4.8 allows remote authenticated users to place potentially executable files. The publishing CNA has not disclosed the affected upload interface or the validation operation that accepts a dangerous type. Low-privilege network access is required; subsequent file processing and the resulting concrete compromise are not public.

The record

CVE
CVE-2025-46384
Published
Jul 20, 2025
Updated
Jul 21, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-434, T1105
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 20, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 21, 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

8.8INCDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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.

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
T1105Ingress Tool Transfer

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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