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WebpanelApplication · Control Webpanel

CVE-2023-42122

HIGH · 7.8 CVSS v3.0 Published 2024-05-03
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
80/100
Remediation priority · High
Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Control Web Panel wloggui Command Injection Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Control Web Panel. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the cwpsrv process, which listens on the loopback interface. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-21079.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

A command injection vulnerability exists in the wloggui component of Control Web Panel's cwpsrv process (which listens on loopback). The flaw results from improper validation of user-supplied strings before passing them to system calls, enabling a local attacker with low-privileged code execution to inject arbitrary commands and escalate to root.

MitigationApply vendor-supplied patches/updates for Control Web Panel immediately. Since the cwpsrv process listens on loopback, restrict local access and ensure principle of least privilege for all local users.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
WebpanelApplication
Affected:= 0.9.8.1152

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify Control Web Panel installation and version
    Locate the Control Web Panel installation directory and retrieve the installed version number, typically found in version files or package metadata within the CWP installation path.
    Affected if The installed version is exactly 0.9.8.1152
  2. Verify cwpsrv process is running
    Check if the cwpsrv process is currently active on the system using process inspection commands.
    Affected if The cwpsrv process is running and the version matches 0.9.8.1152
  3. Confirm wloggui component is accessible
    Locate and inspect the wloggui component within the Control Web Panel installation to determine if it is present and executable.
    Affected if The wloggui component exists and the CWP version is 0.9.8.1152
  4. Check cwpsrv network binding configuration
    Inspect the cwpsrv service configuration and verify whether it is bound to loopback interface (127.0.0.1).
    Affected if cwpsrv is bound to loopback and the version is 0.9.8.1152, indicating the vulnerable configuration is present
  5. Assess local user access controls
    Review system permissions to determine if low-privileged local users have access to the wloggui component or can interact with the cwpsrv service.
    Affected if Low-privileged local users can access wloggui and the version is 0.9.8.1152

A system is affected if Control Web Panel version 0.9.8.1152 is installed with the cwpsrv process running and the wloggui component accessible to local users.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply vendor-supplied patches/updates for Control Web Panel immediately. Since the cwpsrv process listens on loopback, restrict local access and ensure principle of least privilege for all local users.

Fix this in Webpanel Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA1.0 h
10.0 hours of engineering $1,750
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2023-42122 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
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