CVE-2020-13820

Extreme Management Center vulnerability

CVSS

6.1

EPSS

4.0%

EPSS pct

89th

Exploited

No known

Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.

Affected vendor

Extremenetworks

Affected product

Extreme Management Center

CVSS vector

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

Weakness type (CWE)

CWE-79 — Cross-Site Scripting (XSS)

Published

2020-08-03

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity.

Its EPSS score of 4.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2020-13820

Confirm whether Extremenetworks Extreme Management Center is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2020-13820.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-13820

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-13820 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2020-13820?

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