CVE-2017-8117
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 · uneditedThe UMA product with software V200R001 and V300R001 has a privilege elevation vulnerability due to insufficient validation or improper processing of parameters. An attacker could craft specific packets to exploit these vulnerabilities to gain elevated 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 · moderate confidenceHuawei UMA versions V200R001 and V300R001 contain a privilege elevation vulnerability caused by insufficient validation or improper processing of input parameters. Attackers can exploit this by sending crafted packets to the management interface, allowing them to gain elevated privileges beyond their authorized access level.
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= v200r001= v300r001CVSS 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
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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 checksWork through these to decide whether this CVE applies to you.
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Identify installed Huawei UMA versionAccess the device management console or use the command line interface (CLI) with administrative credentials. Run the command to display the system version, typically 'display version' or check the About/Version page in the web management interface.Affected if The displayed version is exactly V200R001 or V300R001, indicating the vulnerable versions.
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Verify management interface is exposedCheck network configuration to determine if the management interface (HTTP/HTTPS web UI or CLI access port) is reachable from network segments other than trusted management networks. Review ACLs, firewall rules, or interface bindings.Affected if The management interface is accessible from untrusted networks or non-admin IP addresses, creating an attack surface for the vulnerability.
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Review user account privilege levelsIn the UMA management interface or CLI, list all user accounts and their assigned privilege levels. Look for accounts with elevated permissions beyond standard users.Affected if Multiple user accounts exist with varying privilege levels, as the vulnerability allows privilege elevation from lower to higher access.
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Inspect access logs for anomalous management packetsReview authentication and management access logs for any unexpected or unauthorized login attempts, especially those originating from the management interface that may indicate exploitation attempts.Affected if Logs show suspicious packet patterns, failed authentication attempts followed by successful elevated sessions, or unexpected administrative actions.
A user is affected if their Huawei UMA version is exactly V200R001 or V300R001 AND the management interface is accessible to potential attackers.
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 dataApply the vendor-provided security patch or upgrade to a patched version of Huawei UMA. Additionally, restrict network access to the management interface to trusted sources and monitor for anomalous packet patterns.
- Consultation4.0 h
- Implementation2.0 h
- Testing6.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-8117 — 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-2017-8117 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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