CVE-2016-4929
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 · uneditedCommand injection vulnerability in Junos Space before 15.2R2 allows attackers to execute arbitrary code as a root user.
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 command injection vulnerability exists in Junos Space network management platform versions prior to 15.2R2. Attackers can inject and execute arbitrary OS commands with root privileges due to insufficient input validation, potentially leading to complete system compromise.
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<= 15.2CVSS 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
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:L/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.
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Identify Junos Space installationLog into the Junos Space web management interface and navigate to the Dashboard or Administration > System > Software page to confirm Junos Space is deployed. Alternatively, check the system directly by accessing the CLI and running 'show version' or checking /var/log/junos-space/ for installation records.Affected if Junos Space network management platform is present on the system
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Determine installed Junos Space versionIn the Junos Space web UI, go to Administration > System > Software. The installed version number is displayed in the software inventory. From the CLI, run 'spacecli -c "show software version"' or check /var/lib/junos-space/suite.info if accessible.Affected if Unable to retrieve version information prevents confirmation of patch status
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Compare version against affected rangeExamine the version number obtained from step 2. The affected range is any version prior to 15.2R2, meaning versions 15.2, 15.1, 15.0, 14.x, and earlier are vulnerable.Affected if Installed version is 15.2 or earlier (any build number below 15.2R2)
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Verify management interface exposureCheck network accessibility of the Junos Space management interface (typically ports 443 or 8080). Review firewall rules, ACLs, or network segmentation to determine if the interface is reachable from untrusted networks.Affected if Junos Space management interface is accessible from untrusted or public networks
The environment is affected if Junos Space version 15.2 or earlier is installed and the management interface is network-accessible, allowing remote attackers to inject and execute arbitrary OS commands with root privileges.
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 15.2R2 or later to remediate this vulnerability. If immediate upgrade is not feasible, restrict access to the management interface to trusted networks only and monitor for suspicious activity.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2016-4929 — 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-2016-4929 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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