How severe is CVE-2022-38339?

CVE-2022-38339 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-38339 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-38339?

CVE-2022-38339 affects Safe Fme Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-38339?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-38339 published?

CVE-2022-38339 was published on 2022-09-19 and last updated on 2026-06-17.

CVE-2022-38339

CVE-2022-38339 is a critical-severity vulnerability in Safe Fme Server with a CVSS 3.x base score of 9.6. 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: Critical (CVSS 3.x base score 9.6)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Safe Fme Server
Published: 2022-09-19
Last modified: 2026-06-17

Description

Safe Software FME Server v2021.2.5, v2022.0.0.2 and below contains a cross-site scripting (XSS) vulnerability which allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the login page.

Frequently asked questions

What is CVE-2022-38339?: Safe Software FME Server v2021.2.5, v2022.0.0.2 and below contains a cross-site scripting (XSS) vulnerability which allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the login page.
How severe is CVE-2022-38339?: CVE-2022-38339 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-38339 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-38339?: CVE-2022-38339 affects Safe Fme Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-38339?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-38339 published?: CVE-2022-38339 was published on 2022-09-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:safe:fme_server:*:*:*:*:*:*:*:*

More vulnerabilities in Safe Fme Server

CVE-2022-38340 — Critical (CVSS 9.1): Safe Software FME Server v2021.2.5, v2022.0.0.2 and below was discovered to contain a Path Traversal vulnerability via…
CVE-2018-20402 — High (CVSS 8.8): Safe Software FME Server through 2018.1 creates and enables three additional accounts in addition to the initial…
CVE-2022-38342 — High (CVSS 8.5): Safe Software FME Server v2021.2.5, v2022.0.0.2 and below was discovered to contain a XML External Entity (XXE)…
CVE-2023-35801 — High (CVSS 8.1): A directory traversal vulnerability in Safe Software FME Server before 2022.2.5 allows an attacker to bypass validation…
CVE-2022-38341 — High (CVSS 7.1): Safe Software FME Server v2021.2.5 and below does not employ server-side validation.
CVE-2020-22789 — Medium (CVSS 6.1): Unauthenticated Stored XSS in FME Server versions 2019.2 and 2020.0 Beta allows a remote attacker to gain admin…

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