CVE-2018-1000821

Name: CVE-2018-1000821
Creator: NVD / NIST
Published: 2018-12-20T15:29:00.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.85%

Last modified Jun 17, 2026

CVE-2018-1000821 is a vulnerability of currently unknown severity. 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. EPSS estimates a 1.85% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.85%

76.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-611

Affected Software

Vendor	Product	Versions
Micromathematics Project	Micromathematics	< 2.17.3

References

https://0dd.zone/2018/10/27/micromathematics-XXE/Third Party Advisory
https://github.com/mkulesh/microMathematics/issues/79Issue Tracking, Third Party Advisory
https://0dd.zone/2018/10/27/micromathematics-XXE/Third Party Advisory
https://github.com/mkulesh/microMathematics/issues/79Issue Tracking, Third Party Advisory

Timeline

Published: Dec 20, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1000821?

How severe is CVE-2018-1000821?

Severity scoring for CVE-2018-1000821 is pending analysis. The EPSS model estimates a 1.85% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000821?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1000821?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST