CVE-2024-8281
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 · uneditedAn input validation weakness was discovered in XCC that could allow a valid, authenticated XCC user with elevated privileges to perform command injection through specially crafted command line input in the XCC SSH captive shell.
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 confidenceA command injection vulnerability exists in the XCC SSH captive shell due to insufficient input validation. An authenticated user with elevated privileges can execute arbitrary system commands by providing specially crafted input through the captive shell interface.
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 checksWork through these to decide whether this CVE applies to you.
-
Identify if XCC SSH captive shell is enabledCheck system services or configuration files for XCC SSH captive shell service status. Look for entries like 'xcc-ssh' or 'captive-shell' in running services or init configurations.Affected if The XCC SSH captive shell service is active and accessible on the system
-
Verify SSH service configuration for captive shellInspect the SSH daemon configuration (typically /etc/ssh/sshd_config or similar) for ForceCommand, ChrootDirectory, or shell redirection entries that point to a captive shell binary.Affected if SSH is configured to force a captive shell instead of providing normal system shell access
-
Check for authenticated user accessReview system user accounts and their privilege levels. Look for accounts with elevated privileges (sudo, wheel, root, or administrator groups) that can authenticate via SSH.Affected if Users with elevated privileges exist and can authenticate to the SSH service
-
Inspect captive shell input handlingExamine the captive shell configuration or script files for how user input is processed. Look for system(), exec(), popen(), or similar command execution functions that use unsanitized user variables.Affected if The captive shell implementation passes user input directly to system command executors without apparent validation
-
Test for command injection vectorsIf you have a test environment, attempt to inject shell metacharacters (such as ;, |, &&, $(...), backticks) through the captive shell interface while authenticated with elevated privileges.Affected if Arbitrary commands can be executed beyond the intended captive shell functionality
A user is affected if the XCC SSH captive shell is enabled and accessible to authenticated users with elevated privileges, with no input validation between user input and command execution.
Generated from the published advisory. Verify against your own configuration.
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 dataImplement strict input validation and sanitization for all user-provided data in the XCC SSH captive shell. Use parameterized commands or safe API abstractions instead of passing user input directly to system command executors.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,176.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-8281 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2024-8281 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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.
- 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