CVE-2021-21546

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-07-29 · updated 2026-06-17
Weakness: CWE-532

Description

Dell EMC NetWorker versions 18.x,19.x prior to 19.3.0.4 and 19.4.0.0 contain an Information Disclosure in Log Files vulnerability. A local low-privileged user of the Networker server could potentially exploit this vulnerability to read plain-text credentials from server log files.

Affected products

Dell NetWorker: from 19.1.1.0 before 19.3.0.4; 18.1.0.1, 18.1.0.2, 18.2.0.0, 19.4.0.0 — fixed in 19.3.0.4

How to fix

Upgrade to a fixed version: Dell NetWorker 19.3.0.4. Check the vendor advisory for mitigations.

References

https://www.dell.com/support/kbdoc/en-us/000185470/dsa-2021-081-dell-emc-networker-security-update-for-a-clear-text-vulnerability
https://www.dell.com/support/kbdoc/en-us/000185470/dsa-2021-081-dell-emc-networker-security-update-for-a-clear-text-vulnerability

Get alerted when CVE-2021-21546 or the next vulnerability affects your stack