How severe is CVE-2017-1000189?

CVE-2017-1000189 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-1000189 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-1000189?

CVE-2017-1000189 affects Ejs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-1000189?

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

When was CVE-2017-1000189 published?

CVE-2017-1000189 was published on 2017-11-17 and last updated on 2026-06-17.

CVE-2017-1000189

CVE-2017-1000189 is a high-severity vulnerability in Ejs with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ejs
Published: 2017-11-17
Last modified: 2026-06-17

Description

nodejs ejs version older than 2.5.5 is vulnerable to a denial-of-service due to weak input validation in the ejs.renderFile()

Frequently asked questions

What is CVE-2017-1000189?: nodejs ejs version older than 2.5.5 is vulnerable to a denial-of-service due to weak input validation in the ejs.renderFile()
How severe is CVE-2017-1000189?: CVE-2017-1000189 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-1000189 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-1000189?: CVE-2017-1000189 affects Ejs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-1000189?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-1000189 published?: CVE-2017-1000189 was published on 2017-11-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ejs:ejs:*:*:*:*:*:*:*:*

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