CVE-2020-11079: command injection fix in node-dns-sync

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-05-28 · updated 2026-06-17
Weakness: CWE-94

Description

node-dns-sync (npm module dns-sync) through 0.2.0 allows execution of arbitrary commands . This issue may lead to remote code execution if a client of the library calls the vulnerable method with untrusted input. This has been fixed in 0.2.1.

Affected products

skoranga node-dns-sync: before 0.2.1 — fixed in 0.2.1

How to fix

Upgrade to a fixed version: skoranga node-dns-sync 0.2.1. Check the vendor advisory for mitigations.

References

https://github.com/skoranga/node-dns-sync/commit/cb10a5ac7913eacc031ade7d91596277f31645dc
https://github.com/skoranga/node-dns-sync/security/advisories/GHSA-wh69-wc6q-7888
https://github.com/skoranga/node-dns-sync/commit/cb10a5ac7913eacc031ade7d91596277f31645dc
https://github.com/skoranga/node-dns-sync/security/advisories/GHSA-wh69-wc6q-7888

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