Security readout for executives and security teams
Plain-English summary
This issue can let an unauthenticated remote attacker crash the video service on affected Cisco collaboration endpoints, interrupting room or TelePresence availability. It is an availability risk, not a data theft or privilege escalation issue based on the provided sources.
Executive priority
Treat as a high-priority availability issue for meeting rooms, executive briefing centers, support operations, and customer-facing video environments. Prioritize internet-exposed or broadly reachable endpoints first.
Technical view
CVE-2019-15289 covers multiple insufficient input validation flaws in the video service of Cisco TelePresence Collaboration Endpoint, RoomOS, and listed Cisco TelePresence TC Software. Crafted network traffic can crash the video service, causing denial of service. CVSS 3.0 is 7.5, network reachable, low complexity, no privileges, no user interaction.
Likely exposure
Organizations using Cisco TelePresence Collaboration Endpoint, Cisco RoomOS, or Cisco TelePresence TC Software may be exposed if affected endpoints are reachable over networks that can send traffic to the video service.
Exploitation context
The source bundle does not show CISA KEV listing or other evidence of active exploitation. The attack is unauthenticated and remote, so exposure depends mainly on vulnerable software presence and network reachability.
Researcher notes
Evidence supports unauthenticated remote DoS through crafted traffic and CWE-20 input validation weakness. The bundle does not provide fixed version details, proof of exploitation, or exploit indicators, so validation should stay version and exposure focused.
Mitigation direction
- Review Cisco advisory for affected versions, fixed releases, and official workarounds.
- Apply Cisco-recommended updates or workarounds after confirming endpoint software exposure.
- Restrict affected endpoint reachability to trusted networks where operationally feasible.
- Monitor endpoint availability for video service crashes until remediation is complete.
Validation and detection
- Inventory Cisco collaboration endpoints and record CE, RoomOS, or TC software versions.
- Compare installed versions against the Cisco advisory and CVE record.
- Check whether untrusted networks can reach endpoint video services.
- Review device monitoring for repeated video service crashes or unexplained DoS symptoms.
- Confirm remediation by verifying software or workaround status against Cisco guidance.
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-2019-15289 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
- 7.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.5HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20191106 Cisco TelePresence Collaboration Endpoint and RoomOS Software Denial of Service VulnerabilitiesCVE reference · vendor-advisory, x_refsource_CISCO
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.