Is CVE-2020-28351 in the CISA KEV catalog?

No. CVE-2020-28351 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-28351?

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

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

CVE-2020-28351 has an EPSS score of 15.99% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2020-28351

MEDIUMEPSS 96th pctl

6.1

CVSS v3

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.

CWE-79Cross-Site Scripting (XSS)

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

15.99%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.