Security readout for executives and security teams
Plain-English summary
CVE-2019-15966 can let a logged-in remote user disrupt a Cisco TelePresence Advanced Media Gateway. The weakness is poor input validation in its web application. Successful exploitation can stop services and make the device inoperable, creating a denial-of-service event for affected conferencing infrastructure.
Executive priority
Treat as high priority for organizations still operating the affected Cisco conferencing gateway. The business risk is service outage, not data theft, but disruption to meeting infrastructure can be operationally significant.
Technical view
The CVE affects Cisco TelePresence Advanced Media Gateway version 1.1. It is CWE-20 improper input validation in the web application, reachable over the network with low privileges and no user interaction. CVSS 3.1 is 7.7 high, with impact limited to availability but potentially causing service stoppage and device inoperability.
Likely exposure
Exposure is most relevant where Cisco TelePresence Advanced Media Gateway 1.1 is deployed and its web application is reachable by authenticated users. Risk increases when management access is broadly available or weakly governed.
Exploitation context
The source bundle says exploitation requires an authenticated crafted HTTP request. CISA KEV is false in the provided data, and no cited source states active exploitation. No public exploit status is established by the supplied evidence.
Researcher notes
The supplied evidence names one affected product and version only: Cisco TelePresence Advanced Media Gateway 1.1. Do not broaden scope without vendor evidence. The bundle does not provide patch details, workarounds, or confirmed exploitation.
Mitigation direction
- Inventory Cisco TelePresence Advanced Media Gateway appliances and confirm whether version 1.1 is present.
- Restrict web application access to trusted management networks and required administrators.
- Review Cisco bug CSCvr69362 and vendor guidance for available fixes or supported workarounds.
- Remove unnecessary user accounts and enforce least privilege for device administration.
- Monitor affected devices for service stoppages, unexpected restarts, or authenticated web requests preceding outages.
Validation and detection
- Confirm product and version against asset inventory and device administration records.
- Verify the web application is not reachable from untrusted networks.
- Review administrator and low-privilege accounts with access to the device web application.
- Check logs for service stoppages, restarts, and unusual authenticated web activity.
- Track Cisco guidance for CSCvr69362 before marking remediation complete.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-20: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2019-15966 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H3.14Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.7HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://quickview.cloudapps.cisco.com/quickview/bug/CSCvr69362CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.