How severe is CVE-2021-20171?

CVE-2021-20171 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-20171 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-20171?

CVE-2021-20171 affects Netgear Rax43 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-20171?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-20171 published?

CVE-2021-20171 was published on 2021-12-30 and last updated on 2026-06-17.

CVE-2021-20171

CVE-2021-20171 is a medium-severity vulnerability in Netgear Rax43 Firmware with a CVSS 3.x base score of 5.5. 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-312.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Netgear Rax43 Firmware
Published: 2021-12-30
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-20171?: 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.
How severe is CVE-2021-20171?: CVE-2021-20171 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-20171 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-20171?: CVE-2021-20171 affects Netgear Rax43 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-20171?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-20171 published?: CVE-2021-20171 was published on 2021-12-30 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:o:netgear:rax43_firmware:1.0.3.96:*:*:*:*:*:*:*

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