MegabipApplication

CVE-2024-1577

CRITICAL · 9.8 CVSS v3.1 Published 2024-06-12
Fix available
A fix is available. Upgrade to after 5.11.2 or later.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges 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
Remote Code Execution vulnerability in MegaBIP software allows to execute arbitrary code on the server without requiring authentication by saving crafted by the attacker PHP code to one of the website files. This issue affects MegaBIP software versions through 5.11.2.

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

Unauthenticated remote code execution vulnerability in MegaBIP software versions through 5.11.2 allows attackers to save crafted PHP code to website files, achieving arbitrary code execution on the server without any authentication credentials.

MitigationApply vendor patch if available; otherwise implement network-level access controls to restrict exposure and audit file write operations in the application.

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
MegabipApplication
Affected:<= 5.11.2

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
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/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 MegaBIP installation
    Locate MegaBIP software on the system by checking for the 'Megabip' application directory, common paths include /var/www/html/megabip, C:\inetpub\wwwroot\megabip, or search for files containing 'megabip' in the name. Also check the web server configuration for virtual hosts pointing to MegaBIP.
    Affected if MegaBIP software is present on the server
  2. Determine installed version
    Locate the version information file or check the application header, typically found in an index.php, version.php, or config file within the MegaBIP installation directory. Compare the version number to 5.11.2.
    Affected if The installed version is 5.11.2 or lower
  3. Verify web-facing exposure
    Check network configuration and firewall rules to determine if the MegaBIP web interface is accessible from external networks. Review web server access logs for requests to MegaBIP endpoints.
    Affected if The MegaBIP web interface is directly accessible from the internet or untrusted networks without authentication barriers
  4. Inspect for unauthorized PHP files
    Search the MegaBIP web root directory for newly created or modified .php files, especially in upload directories or web-accessible paths. Use file system integrity tools or compare against known-good baselines.
    Affected if Unexpected PHP files exist in the MegaBIP directories, particularly with names suggesting webshells or reverse shells
  5. Review web server access and error logs
    Examine web server logs for MegaBIP endpoints showing unusual request patterns, especially POST requests to file save or upload functions, or requests containing PHP code patterns.
    Affected if Logs show suspicious requests to file manipulation endpoints or evidence of PHP code injection attempts

The environment is affected if MegaBIP software version 5.11.2 or lower is installed and its web interface is accessible, or if unauthorized PHP files have been created on the server.

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
Upgrade available Upgrade to a release after 5.11.2
Interim mitigation

Apply vendor patch if available; otherwise implement network-level access controls to restrict exposure and audit file write operations in the application.

Fix this in Megabip Scoped from the published advisory
  • Consultation3.0 h
  • Implementation6.0 h
  • Testing5.0 h
  • Review / QA3.0 h
17.0 hours of engineering $2,970
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,752.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

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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-2024-1577 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
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data