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CVE-2020-21937

An command injection vulnerability in HNAP1/SetWLanApcliSettings of Motorola CX2 router CX 1.0.2...

9.8 Critical

An command injection vulnerability in HNAP1/SetWLanApcliSettings of Motorola CX2 router CX 1.0.2 Build 20190508 Rel.97360n allows attackers to execute arbitrary system commands.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

4.80%Up 4.2 points since Jul 22, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

An command injection vulnerability in HNAP1/SetWLanApcliSettings of Motorola CX2 router CX 1.0.2 Build 20190508 Rel.97360n allows attackers to execute arbitrary system commands.

Record
CVE-2020-21937
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-78
Updated
2026-11-02
CVE List No score

An command injection vulnerability in HNAP1/SetWLanApcliSettings of Motorola CX2 router CX 1.0.2 Build 20190508 Rel.97360n allows attackers to execute arbitrary system commands.

Record
CVE-2020-21937
Updated
2026-11-02
EUVDEUVD-2020-14703 No score

An command injection vulnerability in HNAP1/SetWLanApcliSettings of Motorola CX2 router CX 1.0.2 Build 20190508 Rel.97360n allows attackers to execute arbitrary system commands.

Record
EUVD-2020-14703
Updated
2026-11-03
GitHub AdvisoriesGHSA-m5rx-hc2h-rx36 9.8

An command injection vulnerability in HNAP1/SetWLanApcliSettings of Motorola CX2 router CX 1.0.2...

An command injection vulnerability in HNAP1/SetWLanApcliSettings of Motorola CX2 router CX 1.0.2 Build 20190508 Rel.97360n allows attackers to execute arbitrary system commands.

Record
GHSA-m5rx-hc2h-rx36
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-77, CWE-78
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-21937 is a critical vulnerability (CVSS 9.8) in Motorola Cx2 Firmware, published July 21, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.80%, the 92nd percentile. No source names a fixed version.

References

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