Security readout for executives and security teams
Plain-English summary
This issue affects Mitel Interaction Recording Multitenancy systems before version 6.7. An administrator in one tenant could replay a previously recorded conversation belonging to another tenant because PowerPlay Web did not validate access sufficiently. The main business risk is cross-tenant exposure of recorded calls, which may contain sensitive customer or employee information.
Executive priority
Treat this as a targeted confidentiality and tenant-isolation risk. It is not supported by source evidence as actively exploited, but recorded conversations can be highly sensitive, so affected deployments should be identified and upgraded promptly.
Technical view
CVE-2021-37586 is an insufficient validation flaw in the PowerPlay Web component of Mitel Interaction Recording Multitenancy before 6.7. The described attacker is an authenticated user with Administrator rights. The vulnerable behavior is unauthorized replay of another tenant's recorded conversation. The source bundle does not provide CVSS, CWE mapping, proof-of-concept status, or detailed remediation text.
Likely exposure
Exposure is limited to organizations running Mitel Interaction Recording Multitenancy versions before 6.7, especially where PowerPlay Web is used in a multitenant recording environment. The issue requires Administrator rights, but the impact crosses tenant boundaries.
Exploitation context
The provided sources do not report active exploitation, and the CVE is not marked as CISA KEV. Public evidence in the bundle only supports a privileged, authenticated cross-tenant access scenario, not unauthenticated exploitation or internet-scale exploitation.
Researcher notes
Key unknowns are CVSS score, CWE classification, exact validation failure mechanics, and vendor-specified mitigation details beyond the before-6.7 affected statement. Avoid assuming broader Mitel product exposure or unauthenticated attack paths without additional vendor evidence.
Mitigation direction
- Confirm whether Mitel Interaction Recording Multitenancy is deployed.
- Identify any instances running versions before 6.7.
- Upgrade affected systems to version 6.7 or later where applicable.
- Review Mitel advisory guidance before applying production changes.
- Restrict and review Administrator access in tenant environments.
Validation and detection
- Inventory Mitel Interaction Recording Multitenancy versions across environments.
- Confirm PowerPlay Web is present and enabled where deployed.
- Review tenant Administrator accounts for least-privilege alignment.
- Check access logs for unusual replay activity across tenants.
- Verify upgraded systems report version 6.7 or later.
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.
CVE-2021-37586 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.mitel.com/support/security-advisoriesCVE reference · x_refsource_MISC
- https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-21-0006CVE reference · x_refsource_MISC
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.