Security readout for executives and security teams
Plain-English summary
This flaw affects Cisco video collaboration endpoints using xAPI. A logged-in attacker with an In-Room Control or administrator account could abuse path traversal to read or write system files. That can threaten confidentiality, integrity, and availability of meeting-room devices.
Executive priority
Treat as high priority for Cisco meeting-room infrastructure because authenticated compromise can alter device files and disrupt operations. Urgency is higher where endpoint administration is broadly delegated or management interfaces are reachable beyond trusted networks.
Technical view
CVE-2020-3143 is a CWE-22 path traversal issue in Cisco TelePresence CE Software, TelePresence Codec TC Software, and RoomOS xAPI input validation. The CVSS 3.0 score is 8.8, with network access, low complexity, low privileges, no user interaction, and high CIA impact.
Likely exposure
Exposure is most likely in organizations running Cisco TelePresence or RoomOS endpoints where xAPI is enabled or reachable and accounts exist with In-Room Control or administrator privileges. The bundle does not provide exact affected version ranges.
Exploitation context
The provided sources describe authenticated remote exploitation through crafted xAPI requests. The KEV flag is false, and no cited source in the bundle states active exploitation in the wild.
Researcher notes
Key gaps are affected version detail and specific fixed releases in the prompt bundle. Validation should focus on xAPI exposure, privilege boundaries, and vendor advisory mapping. Avoid assuming unauthenticated exploitation; the source requires In-Room Control or administrator access.
Mitigation direction
- Review Cisco advisory for fixed software and official mitigations.
- Inventory Cisco CE, TC, and RoomOS endpoints.
- Restrict xAPI and management access to trusted networks.
- Remove unnecessary In-Room Control and administrator accounts.
- Rotate credentials for exposed or shared endpoint accounts.
- Prioritize remediation on internet-reachable or broadly accessible devices.
Validation and detection
- Confirm endpoint software family and version against Cisco guidance.
- Identify devices exposing xAPI or management interfaces.
- Review privileged endpoint accounts and recent access history.
- Check available logs for unusual file access or configuration changes.
- Verify vendor-recommended remediation after maintenance.
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-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. 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 lookupFile 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.
Open ATT&CK lookupCVE-2020-3143 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
- 8.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.8HighVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20200122 Cisco TelePresence Collaboration Endpoint, TelePresence Codec, and RoomOS Software Path Traversal VulnerabilityCVE 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.