CVE-2021-20171

Name: CVE-2021-20171
Creator: NVD / NIST
Published: 2021-12-30T22:15:09.657+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2021-20171 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Netgear RAX43 version 1.0.3.96 stores sensitive information in plaintext. All usernames and passwords for the device's associated services are stored in plaintext on the device. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

Netgear RAX43 version 1.0.3.96 stores sensitive information in plaintext. All usernames and passwords for the device's associated services are stored in plaintext on the device. For example, the admin password is stored in plaintext in the primary configuration file on the device.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.19%

8.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-312

Affected Software

Vendor	Product	Versions
Netgear	Rax43 Firmware	1.0.3.96

References

https://www.tenable.com/security/research/tra-2021-55Third Party Advisory
https://www.tenable.com/security/research/tra-2021-55Third Party Advisory

Timeline

Published: Dec 30, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20171?

How severe is CVE-2021-20171?

CVE-2021-20171 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20171?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-20171?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST