CVE-2017-2318
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 an authenticated malicious user to read log files which will compromise the integrity of the system, or provide elevation of privileges.
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 path traversal vulnerability in Juniper Networks NorthStar Controller Application before version 2.1.0 Service Pack 1 allows authenticated users to read arbitrary log files on the system. This could expose sensitive system information, credentials, or other data from log files that may facilitate privilege escalation.
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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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 NorthStar Controller Application versionLocate the installed NorthStar Controller Application version number - this is typically shown in the application UI, about page, or obtained via command line such as 'show version' or checking the software package metadataAffected if The installed version is 2.1.0 or earlier (versions prior to 2.1.0 Service Pack 1)
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Confirm web interface or REST API is accessibleVerify that the NorthStar web management interface or REST API service is running and network-accessible - check if port 8443 or the configured HTTP/HTTPS service is activeAffected if The web interface or API is enabled and reachable, providing an attack vector for authenticated users
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Verify user authentication is configuredCheck if local or remote user authentication is configured for NorthStar - this includes local user accounts, LDAP, or RADIUS integration as configured in the authentication settingsAffected if User authentication is enabled, allowing authenticated attackers to exploit the path traversal flaw
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Locate log directory and confirm accessIdentify the directory where NorthStar stores log files - typically under the application data or logs directory. Attempt to access logs via the web interface using path traversal sequences (e.g., ../../) to confirm if the vulnerability is exploitableAffected if Log files exist and can be accessed via path traversal through the web interface, exposing sensitive data
The environment is affected if the NorthStar Controller Application version is 2.1.0 or earlier AND the web interface or API is accessible with authentication enabled, allowing path traversal to read arbitrary log files.
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 the NorthStar Controller Application to version 2.1.0 Service Pack 1 or later to remediate this vulnerability.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,848.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-2318 — 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-2017-2318 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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