Logisim Evolution version 2.14.3 and earlier contains an XML External Entity (XXE) vulnerability in Circuit file loading functionality (loa…

published 2018-12-27 7y ago modified 2026-06-17 4mo ago also EUVD-2018-2064

cvss: 8.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.5%; EPSS 1.5% chance of exploitation in 30 days, percentile 73%
public exploits: 0; none known

Logisim Evolution version 2.14.3 and earlier contains an XML External Entity (XXE) vulnerability in Circuit file loading functionality (loadXmlFrom in src/com/cburch/logisim/file/XmlReader.java) that can result in information leak, possible RCE depending on system configuration. This attack appears to be exploitable via the victim opening a specially crafted circuit file. This vulnerability appears to have been fixed in 2.14.4.

Patch / fix

links 1

github.com/reds-heig/logisim-evolution#139 pull request

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Exploit prediction

1.47% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	8.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-611 Improper Restriction of XML External Entity Reference

References

github.com /reds-heig/logisim-evolution/pull/139
patch, third-party-advisory
kvakil.me /posts/logisim/
third-party-advisory

Sources

CVE List CVE-2018-1000889
NVD CVE-2018-1000889

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