CVE-2025-21103

Unauthenticated arbitrary code execution via server-side include injection

Published Feb 17, 2025 · Updated Feb 18, 2025

Server-side include injection in affected Dell NetWorker Management Console releases allows local users to execute arbitrary code. Dell has not published the affected component, input path, or neutralization failure that permits server-side include processing. Exploitation requires local access and user interaction but no authentication, and successful exploitation runs arbitrary code on the NMC server.

CVSS severity7.8
High
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

Server-side include injection in affected Dell NetWorker Management Console releases allows local users to execute arbitrary code. Dell has not published the affected component, input path, or neutralization failure that permits server-side include processing. Exploitation requires local access and user interaction but no authentication, and successful exploitation runs arbitrary code on the NMC server.

The record

CVE
CVE-2025-21103
Published
Feb 17, 2025
Updated
Feb 18, 2025
Vendor
Dell Technologies
Product
NetWorker Management Console
Classifications
CWE-97, T1204
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 17, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 18, 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=19.11 <=19.11.0.3
  2. Affected versionversion=N/A <19.10.0.7

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Dell Technologies · NetWorker Management Consoleversion=19.11 <=19.11.0.3; version=N/A <19.10.0.7

Published CVSS scores

7.8DellCVSS:3.1/AV:L/AC:L/PR:N/UI:R/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)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-97Improper Neutralization of Server-Side Includes (SSI) Within a Web Page
T1204User Execution

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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