CVE-2018-1000821

10.0 criticalEPSS 1.9%

Critical (10.0) in micromathematics project micromathematics. EPSS 1.9% chance of exploitation in the next 30 days.

MicroMathematics version before commit 5c05ac8 contains a XML External Entity (XXE) vulnerability in SMathStudio files that can result in Disclosure of confidential data, denial of service, SSRF, port scanning. This attack appear to be exploitable via Specially crafted SMathStudio files. This vulnerability appears to have been fixed in after commit 5c05ac8.

Severity

CVSS 3.0

10.0 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS: 1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
CWE: CWE-611
Published: 2018-12-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

micromathematics_project:micromathematics

References

https://0dd.zone/2018/10/27/micromathematics-XXE/
https://github.com/mkulesh/microMathematics/issues/79
https://0dd.zone/2018/10/27/micromathematics-XXE/
https://github.com/mkulesh/microMathematics/issues/79

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