CVE-2017-2319
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 vulnerability in Juniper Networks NorthStar Controller Application prior to version 2.1.0 Service Pack 1 may allow a malicious attacker to compromise the systems confidentiality or integrity without authentication, leading to managed systems being compromised or services being denied to authentic end users and systems as a result.
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 pre-authentication vulnerability in Juniper Networks NorthStar Controller Application allows unauthenticated attackers to compromise system confidentiality or integrity, potentially leading to managed system compromise or service denial.
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<= 2.1.0CVSS 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
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/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 checksWork through these to decide whether this CVE applies to you.
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Identify if Juniper NorthStar Controller is installedLocate the NorthStar Controller installation directory or check system services for processes named 'northstar', 'nsc', or similar Juniper controller processesAffected if The NorthStar Controller application is found running on the system
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Determine the installed NorthStar Controller versionUse the product's CLI command to query the version (typically 'show version' or 'request system version' within the NorthStar context), or check the application manifest/packaging metadataAffected if The version returned is 2.1.0 or any earlier version
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Compare the installed version against the affected rangeDocument the exact version number returned and verify it against the <= 2.1.0 range specified in the CVEAffected if The installed version is 2.1.0 or lower, including any sub-version (e.g., 2.1.0, 2.0.x, 1.x)
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Confirm the application is network-accessibleVerify that the NorthStar Controller management interface or API endpoints are exposed on network interfaces, as this is a pre-authentication vulnerabilityAffected if The NorthStar Controller is reachable over the network without authentication required for the vulnerable entry points
The environment is affected if Juniper NorthStar Controller version 2.1.0 or lower is installed and accessible, as the pre-authentication flaw can be exploited by any unauthenticated network attacker.
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 Juniper NorthStar Controller Application to version 2.1.0 Service Pack 1 or later to remediate this vulnerability.
- Consultation2.0 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 $5,536.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-2319 — 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-2017-2319 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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