CVE-2014-0617
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 · uneditedJuniper Junos 10.4S before 10.4S15, 10.4R before 10.4R16, 11.4 before 11.4R9, and 12.1R before 12.1R7 on SRX Series service gateways allows remote attackers to cause a denial of service (flowd crash) via a crafted IP packet.
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 confidenceDenial of service vulnerability in Juniper SRX Series service gateways running Junos 10.4S before 10.4S15, 10.4R before 10.4R16, 11.4 before 11.4R9, and 12.1R before 12.1R7. Remote attackers can send a crafted IP packet to crash the flowd process, causing service disruption.
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= 10.4r= 10.4s= 11.4= 12.1rall versionsall versionsall versionsall versionsall versionsall versionsall versionsCVSS 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
- M
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Complete
AV:N/AC:M/Au:N/C:N/I:N/A:C
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 device model and confirm it is an SRX Series gatewayRun 'show chassis hardware' or 'show system information' to confirm the device is one of: Srx100, Srx110, Srx1400, Srx210, Srx220, Srx240, or Srx3400Affected if Device is any of these SRX models running any version
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Determine the exact Junos version installedRun 'show version' or 'show system version' to retrieve the installed Junos software versionAffected if Version is 10.4S before S15, 10.4R before R16, 11.4 before R9, or 12.1R before R7
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Verify the flowd process is runningRun 'show system processes' or 'ps aux | grep flowd' to confirm the flow daemon (flowd) is activeAffected if Flowd process is running and handling traffic
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Check if the device is network-accessible to untrusted inputsReview interface configurations with 'show interfaces' and verify security zone policies to determine if the device accepts IP traffic from untrusted networksAffected if Device accepts IP packets from remote/untrusted sources on any interface
The environment is affected if the device is an SRX model running a vulnerable Junos version (10.4S<S15, 10.4R<R16, 11.4<R9, 12.1R<R7) and has flowd active with exposure to untrusted network traffic.
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 to version 10.4S15, 10.4R16, 11.4R9, 12.1R7 or later. If immediate upgrade is not possible, consider network segmentation or IDS/IPS filtering to block malformed packets.
- Consultation4.0 h
- Implementation3.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2014-0617 — 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-2014-0617 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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