CVE-2023-42121Network attack vector

Unauthenticated code execution via missing web authentication

Published May 3, 2024 · Updated Aug 2, 2024

Missing authentication in the web interface of LINANTO LLC Control Web Panel 0.9.8.1152 allows remote attackers to execute arbitrary code. The web interface exposes code-executing functionality without first establishing an authenticated CWP session; the endpoint and processing path are undisclosed. No credentials or user interaction are required, and successful requests execute code in the context of a valid CWP user.

CVSS severity9.8
Critical
EPSS probability1.47%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authentication in the web interface of LINANTO LLC Control Web Panel 0.9.8.1152 allows remote attackers to execute arbitrary code. The web interface exposes code-executing functionality without first establishing an authenticated CWP session; the endpoint and processing path are undisclosed. No credentials or user interaction are required, and successful requests execute code in the context of a valid CWP user.

The record

CVE
CVE-2023-42121
Published
May 3, 2024
Updated
Aug 2, 2024
Vendor
LINANTO LLC
Product
Control Web Panel
Classifications
CWE-306, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 3, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record 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=0.9.8.1152

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

LINANTO LLC · Control Web Panelversion=0.9.8.1152

Published CVSS scores

9.8Zero Day InitiativeCVSS:3.0/AV:N/AC:L/PR:N/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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
T1190Exploit Public-Facing Application

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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