OS Command InjectionWeakness · CWE-78

CVE-2024-8280

HIGH · 7.2 CVSS v3.1 Published 2024-09-13
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
78/100
Remediation priority · High
Remotely reachable 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
An input validation weakness was discovered in XCC that could allow a valid, authenticated XCC user with elevated privileges to perform command injection or cause a recoverable denial of service using a specially crafted file.

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 · moderate confidence

An input validation weakness in XCC allows authenticated users with elevated privileges to achieve command injection or cause a recoverable denial of service by uploading specially crafted files. The vulnerability stems from insufficient validation of file contents before processing.

MitigationImplement strict input validation and sanitization on all file uploads and processing within XCC, applying allowlist validation for file types and content. Apply the principle of least privilege to limit which users can upload files.

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

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
High
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:H/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 XCC installation and version
    Locate the XCC installation directory and check version files, or run 'xcc --version' / 'xcc -v' if CLI is available. Compare against vendor-released affected version information.
    Affected if The installed version falls within the affected range (obtain specific versions from vendor advisories)
  2. Verify file upload feature is enabled
    Check XCC configuration files (typically in conf/ or config/ directories) for upload-related settings. Look for parameters like 'enable_upload', 'file_upload', or 'allow_uploads'.
    Affected if File upload functionality is enabled in the configuration
  3. Confirm elevated privilege user accounts exist
    Review user management settings or database for accounts with elevated privileges. Check for roles such as 'admin', 'superuser', or custom elevated roles. Query: SELECT username, role FROM users WHERE role IN ('admin', 'superuser', 'elevated');
    Affected if There are authenticated users with elevated privileges configured in the system
  4. Inspect file content validation configuration
    Examine XCC configuration or code for content validation settings on file uploads. Look for 'content_type', 'mime_type_validation', or similar settings. If accessible, inspect the validation logic in upload handling modules.
    Affected if Content validation is disabled, permissive, or absent for uploaded files
  5. Check for recent or anomalous uploaded files
    Review upload directories and access logs for unexpected file types, scripts, or executables. Check timestamps around the time frame of potential exploitation.
    Affected if Unusual or malicious file types exist in upload directories or recent upload activity is observed

The environment is potentially affected if XCC is running with a version in the affected range, file upload is enabled, and elevated-privilege user accounts exist, as these conditions enable the validation weakness to be exploited.

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

Implement strict input validation and sanitization on all file uploads and processing within XCC, applying allowlist validation for file types and content. Apply the principle of least privilege to limit which users can upload files.

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation16.0 h
  • Testing8.0 h
  • Review / QA4.0 h
32.0 hours of engineering $5,600
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Scan for this in your stack

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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-2024-8280 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
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