CVE-2015-8083
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 · uneditedAn unspecified module in Huawei eSpace U1910, U1911, U1930, U1960, U1980, and U1981 unified gateways with software before V200R003C00SPC300 does not properly initialize memory when processing timeout messages, which allows remote attackers to cause a denial of service (out-of-bounds memory access and device restart) via unknown vectors.
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 module in Huawei eSpace unified gateways fails to properly initialize memory when processing timeout messages, leading to out-of-bounds memory access. Remote attackers can trigger this condition to cause device restart and denial of service.
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<= v100r001c20CVSS 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
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Complete
AV:N/AC:L/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 the installed eSpace firmware versionAccess the device management interface or use 'display version' command via CLI to retrieve the current firmware versionAffected if The displayed version is v100r001c20 or any version lower than this (e.g., v100r001c10, v100r001c00)
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Confirm the device is an eSpace unified gatewayVerify the product model matches Huawei eSpace unified gateway product line via 'display device information' or management consoleAffected if The device is a Huawei eSpace unified gateway model
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Check if remote access services are enabledReview the device network configuration to determine if services accepting remote connections (such as SIP, HTTP, or management interfaces) are activeAffected if Remote network services are exposed and accessible
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Verify timeout message processing is activeCheck the VoIP/Call processing module status via 'display voice service' or check if call timeout handling is configured in the SIP or gateway settingsAffected if Timeout message processing module is enabled and processing call/time-out events
The environment is affected if the Huawei eSpace unified gateway runs firmware version v100r001c20 or earlier AND has remote access services enabled with timeout message processing active.
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 Huawei eSpace unified gateway software to version V200R003C00SPC300 or later to address the memory initialization vulnerability.
- Consultation4.0 h
- Implementation8.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2015-8083 — 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-2015-8083 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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- Version or environment caveats, and links to real fixes
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