MEDIUM

CVE-2020-28351

CVSS v3

6.1

MEDIUM

EPSS Score

16.0 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2020-28351 yet.

Full record on NVD

Description

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.

Technical details

Published: 2020-11-09
Exploit-DB: EDB-49026

Frequently asked questions

What is CVE-2020-28351?

Is CVE-2020-28351 actively exploited?

Active exploitation of CVE-2020-28351 has not been confirmed. Its EPSS score was 16.0% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-28351?

CVE-2020-28351 has a CVSS v3 base score of 6.1 (MEDIUM severity).

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