Unified Contact Center ExpressApplication · Cisco
CVE-2019-12633
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 Unified Contact Center Express (Unified CCX) could allow an unauthenticated, remote attacker to bypass access controls and conduct a server-side request forgery (SSRF) attack on a targeted system. The vulnerability is due to improper validation of user-supplied input on the affected system. An attacker could exploit this vulnerability by sending the user of the web application a crafted request. If the request is processed, the attacker could access the system and perform unauthorized actions.
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 confidenceCisco Unified CCX contains an SSRF vulnerability where improper validation of user-supplied input allows unauthenticated remote attackers to bypass access controls. The attacker sends a crafted request to a web application user, and if processed, the attacker can access the system and perform unauthorized actions.
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 Contact Center ExpressApplication
< 11.6\(2\)es04= 12.0\(1\)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
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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 checksWork through these to decide whether this CVE applies to you.
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Identify Cisco Unified CCX installationLocate the Cisco Unified CCX server and confirm the product is deployed. Check for processes related to 'CCX' or review installed software on the system.Affected if Cisco Unified Contact Center Express is not installed on the system.
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Determine the installed CCX versionAccess the Cisco Unified CCX administration interface or use the CLI command 'utils system version' to retrieve the exact version number.Affected if The installed version is less than 11.6(2)es04, or is exactly 12.0(1).
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Verify web interface accessibilityConfirm whether the Cisco Unified CCX web interface (typically on port 8443 or 443) is accessible from network locations where untrusted users could send requests.Affected if The web interface is exposed to untrusted networks without proper network segmentation.
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Check for suspicious web request logsReview web server access logs for the CCX application for unusual or crafted URL requests, especially those containing internal IP addresses or non-standard URIs that may indicate SSRF probing.Affected if Logs show requests to internal resources or unusual URLs that were not initiated by legitimate users.
A system is affected if Cisco Unified CCX is installed with a version less than 11.6(2)es04 or exactly version 12.0(1), and the web 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 data11.6
Apply Cisco-provided patches for CVE-2019-12633 and implement proper input validation on user-supplied URLs/requests to prevent server-side request forgery.
Fix this in Unified Contact Center Express
Scoped from the published advisory
- Consultation6.0 h
- Implementation12.0 h
- Testing8.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $8,448.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-12633 — 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-2019-12633 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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