Meeting ManagementApplication · Cisco
CVE-2026-20098
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 Certificate Management feature of Cisco Meeting Management could allow an authenticated, remote attacker to upload arbitrary files, execute arbitrary commands, and elevate privileges to root on an affected system. This vulnerability is due to improper input validation in certain sections of the web-based management interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to upload arbitrary files to the affected system. The malicious files could overwrite system files that are processed by the root system account and allow arbitrary command execution with root privileges. To exploit this vulnerability, the attacker must have valid credentials for a user account with at least the role of video operator.
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 an authenticated file upload vulnerability in Cisco Meeting Management's Certificate Management feature. Due to improper input validation, an attacker with video operator credentials can upload arbitrary files via crafted HTTP requests. These files can overwrite system files processed by the root account, enabling arbitrary command execution with root privileges.
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
< 3.12.1CVSS 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
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/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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Check the installed Cisco Meeting Management versionAccess the web management interface or use the CLI to retrieve the software version. Typically via 'show version' command or checking the About page in the GUI.Affected if The installed version is lower than 3.12.1 (e.g., 3.11.x, 3.10.x, etc.)
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Verify if the web management interface is accessibleAttempt to reach the Cisco Meeting Management web interface from external or untrusted networks using HTTP/HTTPS.Affected if The web management interface is exposed to networks that are not trusted admin networks
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Identify if video operator accounts existReview user accounts in the Cisco Meeting Management user management section or via CLI user listing commands.Affected if Video operator or low-privilege user accounts are present in the system
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Check for the Certificate Management featureNavigate to the Certificate Management section within the web management interface to confirm the feature is available.Affected if The Certificate Management feature is accessible to video operator accounts
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Review logs for suspicious file upload activityExamine system and access logs for unusual POST requests to certificate upload endpoints, especially those containing unexpected file paths or extensions.Affected if Log entries show file uploads to unusual paths or from low-privilege accounts
You are affected if Cisco Meeting Management version is below 3.12.1 AND the web management interface is accessible to users with video operator privileges.
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 · scoped3.12.1
Apply the vendor patch from Cisco when available. In the interim, restrict access to the web management interface to only trusted admin networks, limit user accounts to minimum necessary privileges, and monitor for suspicious file upload activity.
3.12.1 or later
- Identify the current version of Cisco Meeting Management by accessing the web-based management interface and navigating to the About or System Information section
- Review the Cisco Meeting Management upgrade documentation and release notes for version 3.12.1
- Create a full backup of the current system configuration and any custom settings
- Schedule a maintenance window for the upgrade process
- Download Cisco Meeting Management version 3.12.1 or later from the Cisco software download center
- Upload and install the upgrade following the documented upgrade procedure for your deployment type
- After upgrade completion, verify the installed version is 3.12.1 or higher
- Log in to the web-based management interface and confirm the Certificate Management feature is functioning correctly
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Meeting Management
Scoped from the published advisory
- Consultation4.0 h
- Implementation2.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,392.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-20098 — 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-2026-20098 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