Security readout for executives and security teams
Plain-English summary
Cisco Meeting App could expose reusable TURN server credentials if legitimate app traffic is intercepted. Those credentials could let an attacker place audio or video calls and relay packets through the configured TURN server. The source bundle does not identify active exploitation, affected version ranges, or a specific fix.
Executive priority
Treat as a moderate priority. It can enable misuse of collaboration infrastructure, but the provided evidence indicates limited impact and no confirmed active exploitation. Prioritize environments with exposed or shared TURN infrastructure.
Technical view
The API subsystem insufficiently protects TURN credentials, allowing unauthenticated remote credential retention and reuse after interception of legitimate traffic. CVSS 3.0 is 4.3 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N), mapped to CWE-287. Impact is limited to confidentiality in the provided scoring.
Likely exposure
Exposure is likely limited to organizations using Cisco Meeting App with TURN server configuration. The bundle lists affected versions as n/a, so teams must confirm applicability through Cisco’s advisory and their own asset inventory.
Exploitation context
The bundle supports unauthenticated remote exploitation if an attacker can intercept legitimate traffic. It does not show CISA KEV listing or active exploitation. The attacker could reuse TURN credentials for calls or packet relay, but not control the TURN server unless credentials are shared across systems.
Researcher notes
Key gaps are affected version specificity, fixed release details, and exploit prevalence. Validation should focus on Cisco Meeting App presence, TURN credential lifecycle, and whether credentials are reusable beyond intended sessions or systems.
Mitigation direction
- Check Cisco’s advisory for affected releases and official remediation guidance.
- Inventory Cisco Meeting App deployments and associated TURN server configurations.
- Avoid shared TURN credentials across multiple systems where operationally possible.
- Review TURN credential rotation and expiration controls.
- Monitor TURN server usage for unexpected call or relay activity.
Validation and detection
- Confirm whether Cisco Meeting App is deployed in the environment.
- Identify configured TURN servers and credential management practices.
- Check whether TURN credentials are reused across systems.
- Review network telemetry for unusual TURN relay usage.
- Document affected assets and compare them with Cisco advisory scope.
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-287: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. 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 lookupCVE-2020-3197 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
- Medium
- CVSS
- 4.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
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:N/UI:R/S:U/C:L/I:N/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.3MediumVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20200715 Cisco Meetings App Missing TURN Server Credentials Expiration 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.