LiveActive security incident?Get immediate response
CVE Record

CVE-2020-26086: Cisco TelePresence Collaboration Endpoint Software Information Disclosure Vulnerability

A vulnerability in the video endpoint API (xAPI) of Cisco TelePresence Collaboration Endpoint (CE) Software could allow an authenticated, remote attacker to gain access to sensitive information on an affected device. The vulnerability is due to improper storage of sensitive information on an affected device. An attacker could exploit this vulnerability by accessing information that should not be accessible to users with low privileges. A successful exploit could allow the attacker to gain access to sensitive information.

MediumCVSS 4.3Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This Cisco TelePresence endpoint issue could let a low-privileged authenticated remote user view sensitive information that should not be available to them. It is not described as allowing code execution, data modification, or service outage.

Executive priority

Treat this as a moderate-priority confidentiality risk. Prioritize environments using Cisco video endpoints in sensitive meeting spaces or networks where many users have endpoint access.

Technical view

CVE-2020-26086 affects the video endpoint API xAPI in Cisco TelePresence Collaboration Endpoint CE Software. The stated cause is improper storage of sensitive information. CVSS 3.1 is 4.3, requiring network access and low privileges, with confidentiality impact only.

Likely exposure

Exposure is most relevant where Cisco TelePresence Endpoint Software TC/CE devices are deployed and xAPI access is available to low-privileged authenticated users, especially over reachable management networks.

Exploitation context

The source bundle does not show active exploitation, and KEV is false. Exploitation requires authenticated remote access with low privileges. The cited impact is unauthorized access to sensitive information only.

Researcher notes

Evidence is limited to the CVE description, CVSS vector, CWE-668, and Cisco advisory reference. The bundle does not provide affected version ranges, fixed versions, exploit details, or indicators of compromise.

Mitigation direction

  • Review Cisco's advisory for affected and fixed software details.
  • Upgrade or apply vendor-recommended remediation if Cisco lists an applicable fix.
  • Limit xAPI and management access to trusted administrative networks.
  • Remove unnecessary low-privileged accounts on affected TelePresence endpoints.
  • Review endpoint access controls for least-privilege alignment.

Validation and detection

  • Inventory Cisco TelePresence TC/CE endpoints in the environment.
  • Compare endpoint software versions against Cisco advisory guidance.
  • Confirm xAPI access is not exposed beyond trusted networks.
  • Review low-privileged accounts with endpoint API access.
  • Check logs for unexpected authenticated access to endpoint management interfaces.
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-668: 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 lookup
cve · low confidence lookup

CVE-2020-26086 mapping review

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

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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
4.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N2.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

4.3Medium
CVSS 3.1 vector shape for CVE-2020-26086Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Source materials

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-668 · source CWE mapping

Exposure of Resource to Wrong Sphere

Exposure of Resource to Wrong Sphere represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.