CVE-2020-28351
The conferencing component on Mitel ShoreTel 19.46.1802.0 devices could allow an unauthenticated...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-28351- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-28351- Updated
- 2026-11-02
EUVDEUVD-2020-20812 No score
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.
- Record
EUVD-2020-20812- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-94pc-7pmm-6j95 No score
The conferencing component on Mitel ShoreTel 19.46.1802.0 devices could allow an unauthenticated...
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.
- Record
GHSA-94pc-7pmm-6j95- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | dievus/CVE-2020-28351 | 2020-11-06 |
| Exploit-DB | ShoreTel Conferencing 19.46.1802.0 - Reflected Cross-Site Scripting | 2020-11-10 |
| Nuclei | Mitel ShoreTel 19.46.1802.0 Devices - Cross-Site Scripting |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploits, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-28351 is a medium vulnerability (CVSS 6.1) in Mitel Shoretel Firmware, published November 9, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 16.0%, the 96th percentile. No source names a fixed version.