How severe is CVE-2020-19138?

CVE-2020-19138 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-19138 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-19138?

CVE-2020-19138 affects Dotcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-19138?

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-2020-19138 published?

CVE-2020-19138 was published on 2021-09-08 and last updated on 2026-06-17.

CVE-2020-19138

CVE-2020-19138 is a critical-severity vulnerability in Dotcms with a CVSS 3.x base score of 9.8. 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Dotcms
Published: 2021-09-08
Last modified: 2026-06-17

Description

Unrestricted Upload of File with Dangerous Type in DotCMS v5.2.3 and earlier allow remote attackers to execute arbitrary code via the component "/src/main/java/com/dotmarketing/filters/CMSFilter.java".

Frequently asked questions

What is CVE-2020-19138?: Unrestricted Upload of File with Dangerous Type in DotCMS v5.2.3 and earlier allow remote attackers to execute arbitrary code via the component "/src/main/java/com/dotmarketing/filters/CMSFilter.java".
How severe is CVE-2020-19138?: CVE-2020-19138 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-19138 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-19138?: CVE-2020-19138 affects Dotcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-19138?: 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-2020-19138 published?: CVE-2020-19138 was published on 2021-09-08 and last updated on 2026-06-17.

References

https://github.com/dotCMS/core/issues/17796

Affected products (1)

cpe:2.3:a:dotcms:dotcms:*:*:*:*:*:*:*:*

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