dbcve.org
Unified Communications ManagerApplication · Cisco

CVE-2018-0198

MEDIUM · 5.3 CVSS v3.1 Published 2018-03-27
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
62/100
Remediation priority · Elevated
Remotely reachable No privileges Zero-click

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 · unedited
A vulnerability in the web framework of Cisco Unified Communications Manager could allow an unauthenticated, remote attacker to view sensitive data. The vulnerability is due to insufficient protection of database tables. An attacker could exploit this vulnerability by browsing to a specific URL. A successful exploit could allow the attacker to view data library information. Cisco Bug IDs: CSCvh66592.

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 confidence

A vulnerability in the web framework of Cisco Unified Communications Manager allows unauthenticated remote attackers to view sensitive data due to insufficient protection of database tables. An attacker can exploit this by browsing to a specific URL to access data library information. This is an information disclosure vulnerability with network-exploitable attack vector.

MitigationApply the Cisco patch for CSCvh66592 to Unified Communications Manager. If patching is not immediately possible, restrict network access to the web interface and monitor for unauthorized access to sensitive URLs.

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
Unified Communications ManagerApplication
Affected:all versions

CVSS 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
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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 checks

Work through these to decide whether this CVE applies to you.

  1. Confirm Cisco Unified Communications Manager is present
    Identify if CUCM is installed on the system by checking for CUCM processes or services, or by running 'show version' via the CUCM CLI if you have administrative access.
    Affected if The system is running Cisco Unified Communications Manager.
  2. Verify the CUCM version
    Access the CUCM admin interface or use the CLI command 'show version' to determine the installed version. Compare against the affected product line.
    Affected if The installed product is any version of Cisco Unified Communications Manager (all versions are affected per the CVE).
  3. Determine if the web interface is externally accessible
    Check network configuration to see if the CUCM web server ports (typically 443 and 8443) are exposed to untrusted networks or the internet. Review firewall rules and access control lists.
    Affected if The web interface is accessible from untrusted networks or the internet.
  4. Review web access logs for suspicious patterns
    Examine CUCM web access logs for attempts to access the data library endpoint. Look for unusual or unauthorized GET requests to unfamiliar URL paths.
    Affected if Web access logs contain requests to the specific vulnerable URL endpoint that should not be publicly accessible.
  5. Monitor for unauthorized data access
    Review authentication logs and session records for evidence of unauthenticated users successfully accessing sensitive data library information.
    Affected if Logs show successful unauthenticated access to sensitive database information through the web interface.

A user is affected if they have Cisco Unified Communications Manager running with its web interface accessible, and evidence exists of unauthorized URL access or suspicious data disclosure requests in web logs.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply the Cisco patch for CSCvh66592 to Unified Communications Manager. If patching is not immediately possible, restrict network access to the web interface and monitor for unauthorized access to sensitive URLs.

Fix this in Unified Communications Manager Scoped from the published advisory
  • Consultation3.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA2.0 h
12.0 hours of engineering $2,130
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,408.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2018-0198 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

Get it on GitHub Scan in the browser

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2018-0198 in production — separate from our analysis above.

No notes yet

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • 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
  • No spam, self-promotion, credentials, or personal data