Meeting ManagementApplication · Cisco
CVE-2025-20156
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 the REST API of Cisco Meeting Management could allow a remote, authenticated attacker with low privileges to elevate privileges to administrator on an affected device. This vulnerability exists because proper authorization is not enforced upon REST API users. An attacker could exploit this vulnerability by sending API requests to a specific endpoint. A successful exploit could allow the attacker to gain administrator-level control over edge nodes that are managed by Cisco Meeting Management.
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 confidenceThis is a privilege escalation vulnerability in Cisco Meeting Management's REST API where proper authorization checks are not enforced. A remote attacker with low-privilege authenticated access can send specially crafted API requests to a specific endpoint to elevate their privileges to administrator level, gaining full administrative control over managed edge nodes.
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
Meeting ManagementApplication
< 3.9.1CVSS 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
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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 Cisco Meeting Management versionAccess the product's administrative interface or use the system's package management commands to retrieve the currently installed version of Cisco Meeting ManagementAffected if The installed version is lower than 3.9.1 (for example, 3.9.0, 3.8.x, or earlier)
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Confirm REST API is accessibleVerify whether the REST API endpoint for Cisco Meeting Management is exposed by checking the service configuration or network accessibility of the management interfaceAffected if The REST API interface is enabled and reachable from the network
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Check for low-privilege user accountsReview the user management section of the administrative console to enumerate accounts with non-administrative roles that have API access permissionsAffected if There are authenticated users with low-privilege accounts that have API access enabled
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Examine audit logs for privilege escalation attemptsReview Cisco Meeting Management audit and access logs for API requests from low-privilege accounts that target administrative functions or privilege escalation endpointsAffected if Logs show API calls from standard users to administrative endpoints or unusual privilege escalation activity
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Verify network exposure of management interfaceCheck network configuration to determine if the management interface is exposed to untrusted networks or the internetAffected if The management interface is accessible from untrusted networks without additional access controls
You are affected if your Cisco Meeting Management installation is version 3.9.0 or earlier, the REST API is accessible, and low-privilege authenticated users can send API requests to the system.
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.
dbcve · scoped3.9.1
Apply the vendor patch from Cisco when released. In the interim, restrict network access to the management interface, implement additional authentication controls, and monitor for unauthorized administrative actions.
Cisco Meeting Management 3.9.1
- Identify the current version of Cisco Meeting Management by accessing the administration interface or checking the system documentation
- Download Cisco Meeting Management version 3.9.1 or later from the official Cisco software downloads portal
- Review Cisco's release notes and upgrade documentation for Meeting Management to understand any prerequisites
- Create a backup of the current configuration following Cisco best practices
- Execute the upgrade process according to Cisco's official installation guide for Meeting Management
- After upgrade completion, verify the new version is 3.9.1 or later
- Confirm the REST API authorization vulnerability is resolved by testing low-privilege user access
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Meeting Management
Scoped from the published advisory
- Consultation6.0 h
- Implementation24.0 h
- Testing12.0 h
- Review / QA8.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $14,016.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-20156 — 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-2025-20156 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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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.
- 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