CVE-2017-8023: EMC Networker Remote Code Execution Vulnerability

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-04-01 · updated 2026-06-17
Weakness: CWE-287

Description

EMC NetWorker may potentially be vulnerable to an unauthenticated remote code execution vulnerability in the Networker Client execution service (nsrexecd) when oldauth authentication method is used. An unauthenticated remote attacker could send arbitrary commands via RPC service to be executed on the host system with the privileges of the nsrexecd service, which runs with administrative privileges.

Affected products

Dell NetWorker: from 8.2.0.0 before 8.2.4.11; from 9.0.0.0 through 9.0.1.9; from 9.1.0.0 before 9.1.1.5; from 9.2.0.0 before 9.2.1.0 — fixed in 8.2.4.11, 9.1.1.5, 9.2.1.0

How to fix

Upgrade to a fixed version: Dell NetWorker 8.2.4.11, 9.1.1.5, 9.2.1.0. Check the vendor advisory for mitigations.

References

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