How severe is CVE-2017-1001003?

CVE-2017-1001003 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-1001003 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-1001003?

CVE-2017-1001003 affects Mathjs Project Mathjs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-1001003?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-1001003 published?

CVE-2017-1001003 was published on 2017-11-27 and last updated on 2026-06-17.

CVE-2017-1001003

CVE-2017-1001003 is a critical-severity vulnerability in Mathjs Project Mathjs with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Mathjs Project Mathjs
Published: 2017-11-27
Last modified: 2026-06-17

Description

math.js before 3.17.0 had an issue where private properties such as a constructor could be replaced by using unicode characters when creating an object.

Frequently asked questions

What is CVE-2017-1001003?: math.js before 3.17.0 had an issue where private properties such as a constructor could be replaced by using unicode characters when creating an object.
How severe is CVE-2017-1001003?: CVE-2017-1001003 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-1001003 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-1001003?: CVE-2017-1001003 affects Mathjs Project Mathjs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-1001003?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-1001003 published?: CVE-2017-1001003 was published on 2017-11-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mathjs_project:mathjs:*:*:*:*:*:*:*:*

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