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CVE Record

CVE-2019-15273: Cisco TelePresence Collaboration Endpoint Software Arbitrary File Overwrite Vulnerabilities

Multiple vulnerabilities in the CLI of Cisco TelePresence Collaboration Endpoint (CE) Software could allow an authenticated, local attacker to overwrite arbitrary files. The vulnerabilities are due to insufficient permission enforcement. An attacker could exploit these vulnerabilities by authenticating as the remote support user and submitting malicious input to specific commands. A successful exploit could allow the attacker to overwrite arbitrary files on the underlying filesystem. The attacker has no control over the contents of the data written to the file. Overwriting a critical file could cause the device to crash, resulting in a denial of service condition (DoS).

MediumCVSS 6Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This flaw could let a highly privileged support user on affected Cisco TelePresence Collaboration Endpoint software overwrite files on the device. The attacker cannot choose the file contents, but overwriting important files could crash the endpoint and disrupt conferencing services.

Executive priority

Treat as a targeted operational risk, not an emergency internet-wide threat. Prioritize environments where TelePresence availability is business-critical or where support credentials are broadly shared.

Technical view

CVE-2019-15273 is a CLI permission-enforcement weakness in Cisco TelePresence Collaboration Endpoint CE Software. An authenticated local attacker using the remote support user could submit malicious input to specific commands and overwrite arbitrary filesystem paths, potentially causing denial of service. CVSS is 6.0, with local access and high privileges required.

Likely exposure

Exposure is most likely in organizations still running affected Cisco TelePresence or Collaboration Endpoint software with remote support user access available. The provided version data is unspecified, so asset owners must verify exact affected releases against Cisco guidance.

Exploitation context

The source bundle does not cite active exploitation, and KEV is false. Exploitation requires authenticated local access with high privileges through the remote support user, which limits broad internet-scale risk but matters for insider, support-access, or compromised-admin scenarios.

Researcher notes

Evidence supports arbitrary file overwrite with no attacker control over written contents. Product naming differs in the bundle between CE Software and TC Software, and affected versions are unspecified; verify directly against Cisco’s advisory before scoping.

Mitigation direction

  • Review Cisco advisory for affected and fixed release guidance.
  • Inventory Cisco TelePresence and Collaboration Endpoint software versions.
  • Upgrade or remediate only according to Cisco-published guidance.
  • Restrict remote support user access to trusted administrators.
  • Monitor for unexpected support-user authentication or device crashes.

Validation and detection

  • Identify deployed Cisco TelePresence or Collaboration Endpoint devices.
  • Compare running software versions with Cisco advisory scope.
  • Confirm whether remote support user access is enabled and controlled.
  • Review logs for support-user sessions around device instability.
  • Document remediation status for each affected endpoint.
Prepared
Confidence
high
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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cwe · low confidence lookup

CWE-20: Exact CWE lookup

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description · low confidence lookup

File access behavior lookup

The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2019-15273 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
6CVSS 3.0MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H0.85.2Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

6Medium
CVSS 3.0 vector shape for CVE-2019-15273Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
CiscoCisco TelePresence TC SoftwareunspecifiedListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-20 · source CWE mapping

Improper Input Validation

Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.