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.
CVE-2020-25216
CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence
Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-24. NVD baseline CVSS 9.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 82.3%
- KEV
- Not listed
Published
September 17, 2020
Last Modified
November 21, 2024
Advisory Details (2)
Auto-updated Jul 3, 2026No patch confirmed yet.
generic
yworks yEd Graph Editor - XSLT Remote Code Execution in XML | Web Application Security Testing
https://zigrin.com/advisories/yworks-yed-graph-editor-xslt-remote-code-execution-in-xml/Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Frequently asked(5)
What is CVE-2020-25216?
CVE-2020-25216 is a critical vulnerability published on September 17, 2020. 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.
When was CVE-2020-25216 disclosed?
CVE-2020-25216 was first published in the National Vulnerability Database on September 17, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-25216 actively exploited?
CVE-2020-25216 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-25216?
CVE-2020-25216 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2020-25216?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-25216, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2020-25216
Is Your Infrastructure Affected by CVE-2020-25216?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.