How severe is CVE-2017-16100?

CVE-2017-16100 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-2017-16100 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-16100?

CVE-2017-16100 affects Dns-sync Project Dns-sync. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-16100?

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-2017-16100 published?

CVE-2017-16100 was published on 2018-06-07 and last updated on 2026-06-17.

CVE-2017-16100

CVE-2017-16100 is a critical-severity vulnerability in Dns-sync Project Dns-sync 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Dns-sync Project Dns-sync
Published: 2018-06-07
Last modified: 2026-06-17

Description

dns-sync is a sync/blocking dns resolver. If untrusted user input is allowed into the resolve() method then command injection is possible.

Frequently asked questions

What is CVE-2017-16100?: dns-sync is a sync/blocking dns resolver. If untrusted user input is allowed into the resolve() method then command injection is possible.
How severe is CVE-2017-16100?: CVE-2017-16100 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-2017-16100 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16100?: CVE-2017-16100 affects Dns-sync Project Dns-sync. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-16100?: 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-2017-16100 published?: CVE-2017-16100 was published on 2018-06-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:dns-sync_project:dns-sync:*:*:*:*:*:node.js:*:*

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