NCSC-2026-0044
Vulnerability from csaf_ncscnl - Published: 2026-02-06 09:20 - Updated: 2026-02-06 09:20A vulnerability in Cisco TelePresence Collaboration Endpoint and RoomOS Software allows unauthenticated remote attackers to exploit insufficient input validation in the text rendering subsystem, leading to a denial of service (DoS).
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
vers:unknown/*
Cisco / Cisco RoomOS Software
|
vers:unknown/* | ||
|
vers:unknown/*
Cisco / Cisco TelePresence Endpoint Software (TC/CE)
|
vers:unknown/* |
| URL | Category |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/c… | external |
| https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-… | self |
{
"document": {
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE"
}
},
"lang": "nl",
"notes": [
{
"category": "legal_disclaimer",
"text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions:\n\n NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein.\n\n NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory.\n This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings."
},
{
"category": "description",
"text": "Cisco heeft een kwetsbaarheid verholpen in Cisco TelePresence Collaboration Endpoint en RoomOS Software.",
"title": "Feiten"
},
{
"category": "description",
"text": "De kwetsbaarheid bevindt zich in de wijze waarop het tekstweergavesysteem onvoldoende invoercontrole uitvoert. Dit kan door ongeauthenticeerde externe aanvallers worden misbruikt, wat kan leiden tot een Denial-of-Service (DoS) en de beschikbaarheid van de getroffen systemen kan be\u00efnvloeden.",
"title": "Interpretaties"
},
{
"category": "description",
"text": "Cisco heeft updates uitgebracht om de kwetsbaarheid te verhelpen. Zie bijgevoegde referenties voor meer informatie.",
"title": "Oplossingen"
},
{
"category": "general",
"text": "medium",
"title": "Kans"
},
{
"category": "general",
"text": "high",
"title": "Schade"
},
{
"category": "general",
"text": "Improper Validation of Specified Type of Input",
"title": "CWE-1287"
}
],
"publisher": {
"category": "coordinator",
"contact_details": "cert@ncsc.nl",
"name": "Nationaal Cyber Security Centrum",
"namespace": "https://www.ncsc.nl/"
},
"references": [
{
"category": "external",
"summary": "Reference",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-tce-roomos-dos-9V9jrC2q"
}
],
"title": "Kwetsbaarheid verholpen in Cisco TelePresence Collaboration Endpoint",
"tracking": {
"current_release_date": "2026-02-06T09:20:11.629058Z",
"generator": {
"date": "2025-08-04T16:30:00Z",
"engine": {
"name": "V.A.",
"version": "1.3"
}
},
"id": "NCSC-2026-0044",
"initial_release_date": "2026-02-06T09:20:11.629058Z",
"revision_history": [
{
"date": "2026-02-06T09:20:11.629058Z",
"number": "1.0.0",
"summary": "Initiele versie"
}
],
"status": "final",
"version": "1.0.0"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "vers:unknown/*",
"product": {
"name": "vers:unknown/*",
"product_id": "CSAFPID-1"
}
}
],
"category": "product_name",
"name": "Cisco RoomOS Software"
},
{
"branches": [
{
"category": "product_version_range",
"name": "vers:unknown/*",
"product": {
"name": "vers:unknown/*",
"product_id": "CSAFPID-2"
}
}
],
"category": "product_name",
"name": "Cisco TelePresence Endpoint Software (TC/CE)"
}
],
"category": "vendor",
"name": "Cisco"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-20119",
"cwe": {
"id": "CWE-1287",
"name": "Improper Validation of Specified Type of Input"
},
"notes": [
{
"category": "other",
"text": "Improper Validation of Specified Type of Input",
"title": "CWE-1287"
},
{
"category": "description",
"text": "A vulnerability in Cisco TelePresence Collaboration Endpoint and RoomOS Software allows unauthenticated remote attackers to exploit insufficient input validation in the text rendering subsystem, leading to a denial of service (DoS).",
"title": "Summary"
}
],
"product_status": {
"known_affected": [
"CSAFPID-1",
"CSAFPID-2"
]
},
"references": [
{
"category": "self",
"summary": "CVE-2026-20119 | NCSC-NL Website",
"url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-20119.json"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"CSAFPID-1",
"CSAFPID-2"
]
}
],
"title": "CVE-2026-20119"
}
]
}
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.