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CVE Record

CVE-2020-26068: Cisco Telepresence CE Software and RoomOS Software Unauthorized Token Generation Vulnerability

A vulnerability in the xAPI service of Cisco Telepresence CE Software and Cisco RoomOS Software could allow an authenticated, remote attacker to generate an access token for an affected device. The vulnerability is due to insufficient access authorization. An attacker could exploit this vulnerability by using the xAPI service to generate a specific token. A successful exploit could allow the attacker to use the generated token to enable experimental features on the device that should not be available to users.

MediumCVSS 5.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This flaw lets a highly privileged, authenticated remote user generate an access token on affected Cisco Telepresence CE or RoomOS devices. That token could enable experimental features users should not access. It is not described as unauthenticated or availability-impacting, but it weakens device control boundaries.

Executive priority

Handle as a moderate-priority device management issue. Prioritize environments with shared administrator access, exposed management interfaces, or high-sensitivity meeting rooms. Do not treat it as emergency-level based on the supplied evidence.

Technical view

CVE-2020-26068 is an xAPI service authorization issue in Cisco Telepresence CE Software and Cisco RoomOS Software. Insufficient access authorization allows an authenticated remote attacker with high privileges to generate a specific access token. Successful exploitation can expose limited confidentiality and integrity impacts by enabling restricted experimental features.

Likely exposure

Exposure is limited to organizations running affected Cisco Telepresence CE or RoomOS devices where authenticated users can reach the xAPI service. The bundle does not provide exact affected version ranges.

Exploitation context

The source bundle does not indicate known active exploitation, and CISA KEV status is false. Exploitation requires authenticated remote access with high privileges, reducing broad internet-scale risk but still relevant for insider, compromised-admin, or shared-management scenarios.

Researcher notes

The record maps to CWE-639 and CVSS 3.1 score 5.5. Evidence supports an authorization bypass within token generation, not arbitrary code execution. Fixed releases or detailed workarounds are not included in the supplied bundle, so remediation should defer to Cisco guidance.

Mitigation direction

  • Review Cisco's advisory for affected and fixed release guidance.
  • Inventory Cisco Telepresence CE and RoomOS devices.
  • Restrict xAPI access to trusted administrative users and networks.
  • Audit privileged accounts with device management access.
  • Apply vendor-recommended updates or compensating controls when identified.

Validation and detection

  • Identify device models and software versions in conferencing environments.
  • Check whether xAPI is reachable from untrusted networks.
  • Review logs for unexpected token generation or feature enablement.
  • Confirm privileged device accounts are necessary and current.
  • Compare installed software against Cisco advisory guidance.
Prepared
Confidence
medium
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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-639: 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.

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description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2020-26068 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
5.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

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
5.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.5Medium
CVSS 3.1 vector shape for CVE-2020-26068Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

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 Endpoint Software (TC/CE)n/aListed
Weakness

CWE details

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

CWE-639 · source CWE mapping

Authorization Bypass Through User-Controlled Key

Authorization Bypass Through User-Controlled Key represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.