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Junos SpaceApplication · Juniper

CVE-2024-39563

HIGH · 7.3 CVSS v3.1 Published 2024-10-11
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
82/100
Remediation priority · High
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
A Command Injection vulnerability in Juniper Networks Junos Space allows an unauthenticated, network-based attacker sending a specially crafted request to execute arbitrary shell commands on the Junos Space Appliance, leading to remote command execution by the web application, gaining complete control of the device. A specific script in the Junos Space web application allows attacker-controlled input from a GET request without sufficient input sanitization. A specially crafted request can exploit this vulnerability to execute arbitrary shell commands on the Junos Space Appliance. This issue affects Junos Space 24.1R1. Previous versions of Junos Space are unaffected by this vulnerability.

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

Command injection vulnerability in Juniper Junos Space web application allows unauthenticated network attackers to execute arbitrary shell commands via specially crafted GET requests to a specific script that accepts attacker-controlled input without sufficient sanitization, leading to complete device compromise.

MitigationApply vendor patch for Junos Space 24.1R1 when available; prior to patch, restrict network access to Junos Space management interfaces and consider deploying WAF rules to block malicious request patterns.

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
Junos SpaceApplication
Affected:= 24.1

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
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

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 Junos Space version
    Access the Junos Space web interface or CLI and check the installed version. In the web UI, typically found under Administration > System > Software or in the login page footer. Via CLI on the appliance, run: cat /etc/*release* or check /var/log/jmp.log for version info.
    Affected if The installed version is exactly 24.1 (the affected version listed in the CVE)
  2. Confirm web application is accessible
    Verify that the Junos Space management web interface (HTTPS on port 443 or configured port) is reachable from the network. Check firewall rules or network ACLs that govern access to the Junos Space appliance.
    Affected if The Junos Space web interface is exposed to untrusted networks without proper access controls
  3. Inspect web server logs for the vulnerable endpoint
    Review access logs in /var/log/httpd/ or /var/log/nginx/ (or equivalent log location) for GET requests to the specific script mentioned in the CVE. Search for unusual or suspicious GET request patterns with shell metacharacters (;, |, &, $, etc.).
    Affected if GET requests to the vulnerable script contain unsanitized user input or shell command injection attempts
  4. Check for signs of command injection exploitation
    Examine Junos Space system logs (/var/log/messages, /var/log/jmp.log) and audit logs for evidence of unexpected command execution, new user accounts, or unauthorized configuration changes occurring around the time of suspected exploitation.
    Affected if Logs show execution of unexpected commands, creation of unauthorized accounts, or modifications not initiated by legitimate administrators

You are affected if Junos Space version 24.1 is running AND its web management interface is network-accessible to untrusted 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 patch for Junos Space 24.1R1 when available; prior to patch, restrict network access to Junos Space management interfaces and consider deploying WAF rules to block malicious request patterns.

Fix this in Junos Space Scoped from the published advisory
  • Consultation3.0 h
  • Implementation6.0 h
  • Testing3.0 h
  • Review / QA2.0 h
14.0 hours of engineering $2,490
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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-2024-39563 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