Ultra Services Framework Element ManagerApplication · Cisco
CVE-2017-6686
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 Cisco Ultra Services Framework Element Manager could allow an authenticated, remote attacker with access to the management network to log in as an admin or oper user of the affected device, aka an Insecure Default Credentials Vulnerability. More Information: CSCvc76699. Known Affected Releases: 21.0.0.
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 confidenceCisco Ultra Services Framework Element Manager contains insecure default credentials that allow an authenticated remote attacker with management network access to gain admin or operator-level privileges on the affected device.
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
Ultra Services Framework Element ManagerApplication
= 21.0.0CVSS 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
- High
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:L/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 Cisco Ultra Services Framework Element Manager installationLocate the Cisco Ultra Services Framework Element Manager application on the system or check running services that correspond to this product.Affected if The product is not installed or not present on the system.
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Verify the installed versionCheck the version of Cisco Ultra Services Framework Element Manager installed. Compare against the affected version range: 21.0.0Affected if The installed version is exactly 21.0.0.
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Determine if default credentials are in useInspect the authentication configuration or credential files for the Element Manager. Look for default or factory-set usernames and passwords that have not been changed.Affected if Default administrative credentials (such as admin/admin, operator/operator, or similar factory defaults) are still active on the system.
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Assess management network accessibilityReview network configuration to determine if the Element Manager management interface is accessible from untrusted networks or if it is restricted to authorized management networks only.Affected if The management interface is exposed to network segments accessible by untrusted users.
A user is affected if Cisco Ultra Services Framework Element Manager version 21.0.0 is running with default credentials still configured and the management interface is accessible from the network.
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 dataImmediately change all default credentials to strong, unique passwords. Restrict management network access to authorized personnel only and implement credential management policies to prevent reuse of default credentials.
Fix this in Ultra Services Framework Element Manager
Scoped from the published advisory
- Consultation2.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-6686 — 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-2017-6686 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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