How severe is CVE-2020-22789?

CVE-2020-22789 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-2020-22789 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-22789?

CVE-2020-22789 primarily affects Safe Fme Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-22789?

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

When was CVE-2020-22789 published?

CVE-2020-22789 was published on 2021-04-28 and last updated on 2026-06-17.

CVE-2020-22789

CVE-2020-22789 is a medium-severity vulnerability in Safe Fme 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: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Safe Fme Server
Published: 2021-04-28
Last modified: 2026-06-17

Description

Unauthenticated Stored XSS in FME Server versions 2019.2 and 2020.0 Beta allows a remote attacker to gain admin privileges by injecting arbitrary web script or HTML via the login page. The XSS is executed when an administrator accesses the logs.

Frequently asked questions

What is CVE-2020-22789?: Unauthenticated Stored XSS in FME Server versions 2019.2 and 2020.0 Beta allows a remote attacker to gain admin privileges by injecting arbitrary web script or HTML via the login page. The XSS is executed when an administrator accesses the logs.
How severe is CVE-2020-22789?: CVE-2020-22789 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-2020-22789 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-22789?: CVE-2020-22789 primarily affects Safe Fme Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-22789?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-22789 published?: CVE-2020-22789 was published on 2021-04-28 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:safe:fme_server:2019.0:*:*:*:*:*:*:*
cpe:2.3:a:safe:fme_server:2019.1:*:*:*:*:*:*:*
cpe:2.3:a:safe:fme_server:2019.2:beta:*:*:*:*:*:*
cpe:2.3:a:safe:fme_server:2020.0:beta:*:*:*:*:*:*

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