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TI-2020-17198 Aliases CVE-2020-28351GHSA-94pc-7pmm-6j95

The conferencing component on Mitel ShoreTel 19.46.1802.0 devices could allow an…

Priority MEDIUM 44CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

The conferencing component on Mitel ShoreTel 19.46.1802.0 devices could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack (via the PATH_INFO to index.php) due to insufficient validation for the time_zone object in the HOME_MEETING& page.

Why it matters now

EPSS 0.15987 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:mitel:shoretel_firmware:19.46.1802.0:*:*:*:*:*:*:*19.46.1802.0VulnerableMitel
cpe:2.3:h:mitel:shoretel:-:*:*:*:*:*:*:*not specified by NVDRunning onMitel
  • cpe:2.3:o:mitel:shoretel_firmware:19.46.1802.0:*:*:*:*:*:*:* Versions 19.46.1802.0 Vulnerable ·Mitel
  • cpe:2.3:h:mitel:shoretel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-28351
  2. 2026-10-03 Alias added: GHSA-94pc-7pmm-6j95

References

Exploit 1

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences