VULNERABILITY INTELLIGENCE

CVE-2018-1000821

CVSS score10 CRITICAL

EPSS probability1.85%

CISA KEVNot currently listed

Published2018-12-20

Last modified2026-06-17

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

Description

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.

Weakness classification

CWE-611: Improper Restriction of XML External Entity Reference

Primary references

cve@mitre.org — Third Party Advisory
cve@mitre.org — Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory