How severe is CVE-2020-21936?

CVE-2020-21936 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-21936 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-21936?

CVE-2020-21936 affects Motorola Cx2 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-21936?

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

When was CVE-2020-21936 published?

CVE-2020-21936 was published on 2021-07-21 and last updated on 2026-06-17.

CVE-2020-21936

CVE-2020-21936 is a medium-severity vulnerability in Motorola Cx2 Firmware with a CVSS 3.x base score of 5.3. 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-306.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Motorola Cx2 Firmware
Published: 2021-07-21
Last modified: 2026-06-17

Description

An issue in HNAP1/GetMultipleHNAPs of Motorola CX2 router CX 1.0.2 Build 20190508 Rel.97360n allows attackers to access the components GetStationSettings, GetWebsiteFilterSettings and GetNetworkSettings without authentication.

Frequently asked questions

What is CVE-2020-21936?: An issue in HNAP1/GetMultipleHNAPs of Motorola CX2 router CX 1.0.2 Build 20190508 Rel.97360n allows attackers to access the components GetStationSettings, GetWebsiteFilterSettings and GetNetworkSettings without authentication.
How severe is CVE-2020-21936?: CVE-2020-21936 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-21936 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-21936?: CVE-2020-21936 affects Motorola Cx2 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-21936?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-21936 published?: CVE-2020-21936 was published on 2021-07-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:motorola:cx2_firmware:1.0.2:*:*:*:*:*:*:*

More vulnerabilities in Motorola Cx2 Firmware

CVE-2020-21937 — Critical (CVSS 9.8): An command injection vulnerability in HNAP1/SetWLanApcliSettings of Motorola CX2 router CX 1.0.2 Build 20190508…
CVE-2020-21935 — Critical (CVSS 9.8): A command injection vulnerability in HNAP1/GetNetworkTomographySettings of Motorola CX2 router CX 1.0.2 Build 20190508…
CVE-2019-12297 — Critical (CVSS 9.8): An issue was discovered in scopd on Motorola routers CX2 1.01 and M2 1.01. There is a Use of an Externally Controlled…
CVE-2019-11322 — Critical (CVSS 9.8): An issue was discovered in Motorola CX2 1.01 and M2 1.01. There is a command injection in the function startRmtAssist…
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CVE-2019-11319 — Critical (CVSS 9.8): An issue was discovered in Motorola CX2 1.01 and M2 1.01. There is a command injection in the function downloadFirmware…

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