How severe is CVE-2020-13228?

CVE-2020-13228 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-13228 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13228?

CVE-2020-13228 affects Sysax Multi Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13228?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-13228 published?

CVE-2020-13228 was published on 2020-06-02 and last updated on 2026-06-17.

CVE-2020-13228

CVE-2020-13228 is a medium-severity vulnerability in Sysax Multi Server with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Sysax Multi Server
Published: 2020-06-02
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2020-13228?: An issue was discovered in Sysax Multi Server 6.90. There is reflected XSS via the /scgi sid parameter.
How severe is CVE-2020-13228?: CVE-2020-13228 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-13228 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13228?: CVE-2020-13228 affects Sysax Multi Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13228?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-13228 published?: CVE-2020-13228 was published on 2020-06-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sysax:multi_server:6.90:*:*:*:*:*:*:*

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