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Junos SpaceOperating system · Juniper

CVE-2016-4928

HIGH · 8.8 CVSS v3.0 Published 2017-03-20
Fix available
A fix is available. Upgrade to after 15.2 or later.
See remediation →
95/100
Remediation priority · Urgent
Remotely reachable No privileges

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
Cross site request forgery vulnerability in Junos Space before 15.2R2 allows remote attackers to perform certain administrative actions on Junos Space.

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

Cross-site request forgery (CSRF) vulnerability in Junos Space network management platform versions prior to 15.2R2 allows remote attackers to trick authenticated administrators into unknowingly executing unauthorized administrative actions via maliciously crafted requests.

MitigationUpgrade Junos Space to version 15.2R2 or later to remediate the CSRF vulnerability. Additionally, consider implementing anti-CSRF tokens and SameSite cookie attributes as defense-in-depth measures.

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 SpaceOperating system
Affected:<= 15.2

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
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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. Confirm Junos Space deployment
    Identify whether Junos Space network management platform is installed in the environment by checking for the web application (typically accessible on port 443 or 8443) or by querying system inventory
    Affected if Junos Space is present in the environment
  2. Locate version information
    Access the Junos Space web interface and navigate to the About or System Information page to view the installed version number, or use the CLI command 'show version' if SSH access is available
    Affected if Version information cannot be retrieved or the software is not Junos Space
  3. Compare installed version against affected range
    Examine the version number obtained from the previous step. The affected range includes all versions prior to 15.2R2, meaning versions 15.2 and earlier are vulnerable
    Affected if The installed version is 15.2 or earlier (any version < 15.2R2)

The environment is affected if Junos Space is deployed and the installed version is 15.2 or earlier (prior to 15.2R2), since the CSRF vulnerability exists in those versions.

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
Upgrade available Upgrade to a release after 15.2
Interim mitigation

Upgrade Junos Space to version 15.2R2 or later to remediate the CSRF vulnerability. Additionally, consider implementing anti-CSRF tokens and SameSite cookie attributes as defense-in-depth measures.

Fix this in Junos Space Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA2.0 h
11.0 hours of engineering $1,930
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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-2016-4928 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