CVE-2019-0016
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 · uneditedA malicious authenticated user may be able to delete a device from the Junos Space database without the necessary privileges through crafted Ajax interactions obtained from another legitimate delete action performed by another administrative user. Affected releases are Juniper Networks Junos Space versions prior to 18.3R1.
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 confidenceA privilege escalation vulnerability in Juniper Networks Junos Space allows an authenticated but unauthorized user to delete devices from the database without proper privileges. The attack exploits crafted Ajax interactions obtained from legitimate delete actions performed by other administrative users, suggesting a missing cross-site request forgery (CSRF) protection or insecure direct object reference (IDOR) flaw in the web 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= 13.3= 14.1= 15.1= 15.2= 16.1= 17.1= 17.2= 18.1= 18.2CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
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.
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Identify Junos Space versionAccess the Junos Space web UI and navigate to Administration > System > Platform, or run 'show version' via CLI if you have direct access to the applianceAffected if The installed version matches 13.3, 14.1, 15.1, 15.2, 16.1, 17.1, 17.2, 18.1, or 18.2 exactly
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Confirm web interface is accessibleVerify the Junos Space web application (HTTPS typically on port 443 or 8443) is reachable and accepts authenticationAffected if The web interface is exposed and accepts user logins, enabling the Ajax-based attack surface
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Review user role assignmentsIn the web UI, go to Administration > Users and Roles > Users, and examine which users have the Device Manager role or delete permissionsAffected if Multiple users with varying privilege levels exist, particularly non-administrative users with device management access
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Audit delete operation logsIn the web UI, go to Administration > Audit Logs or check /var/log/space/messages on the appliance for device deletion events, looking for delete operations from users who should not have that privilegeAffected if Delete operations appear in logs performed by users without explicit device delete privileges, or deletions occur outside normal administrative workflows
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Inspect for CSRF tokens in delete requestsUse browser developer tools or a proxy to capture a device delete Ajax request from a legitimate admin session; examine whether the request includes a CSRF token or validation mechanismAffected if Delete Ajax requests lack CSRF protection tokens or do not validate that the request originated from an authorized user session
You are affected if your Junos Space version matches any of the listed affected versions AND the web interface is accessible to users with varying privilege levels, since the vulnerability allows privilege escalation through crafted delete requests.
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 dataUpgrade Junos Space to version 18.3R1 or later to receive the patch. If immediate upgrade is not feasible, implement additional monitoring of administrative actions and restrict user privileges to the minimum necessary.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-0016 — 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-2019-0016 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
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- 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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