CVE-2020-13228

Multi Server vulnerability

CVSS

6.1

EPSS

3.1%

EPSS pct

86th

Exploited

No known

An issue was discovered in Sysax Multi Server 6.90. There is reflected XSS via the /scgi sid parameter.

Affected vendor

Sysax

Affected product

Multi Server

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

2020-06-02

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 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2020-13228

Confirm whether Sysax Multi Server is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2020-13228.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-13228

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-13228 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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