How severe is CVE-2020-25216?

CVE-2020-25216 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-2020-25216 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25216?

CVE-2020-25216 affects Yworks Yed. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-25216?

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-2020-25216 published?

CVE-2020-25216 was published on 2020-09-17 and last updated on 2026-06-17.

CVE-2020-25216

CVE-2020-25216 is a critical-severity vulnerability in Yworks Yed 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-91.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-91
Affected product: Yworks Yed
Published: 2020-09-17
Last modified: 2026-06-17

Description

yWorks yEd Desktop before 3.20.1 allows code execution via an XSL Transformation when using an XML file in conjunction with a custom stylesheet.

Frequently asked questions

What is CVE-2020-25216?: yWorks yEd Desktop before 3.20.1 allows code execution via an XSL Transformation when using an XML file in conjunction with a custom stylesheet.
How severe is CVE-2020-25216?: CVE-2020-25216 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-2020-25216 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25216?: CVE-2020-25216 affects Yworks Yed. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-25216?: 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-2020-25216 published?: CVE-2020-25216 was published on 2020-09-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:yworks:yed:*:*:*:*:*:*:*:*

More vulnerabilities in Yworks Yed

CVE-2020-25215 — Critical (CVSS 9.8): yWorks yEd Desktop before 3.20.1 allows XXE attacks via an XML or GraphML document.

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