CVE-2020-21936
Published: 21 July 2021
Summary
CVE-2020-21936 is a medium-severity Missing Authentication for Critical Function (CWE-306) vulnerability in Motorola Cx2 Firmware. Its CVSS base score is 5.3 (Medium).
Operationally, ranked at the 45.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2020-14702
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Requires established identification and authentication to unlock, mitigating missing authentication for continued system access.
Requiring identification and rationale for actions allowed without authentication ensures critical functions are not left unprotected by forcing review of authentication requirements.
Authorizing mobile device connections to organizational systems ensures authentication is performed for this critical access function.
Guarantees critical functions are protected by mandatory invocation of the access control mechanism.
Auditing sessions makes it possible to detect access to critical functions without required authentication.
The assessment process confirms authentication is present and effective for critical functions, preventing exploitation from missing authentication.
Certification assesses that critical functions have required authentication controls in place.
Disabling non-essential functions and services eliminates the need to secure them, reducing exposure from missing authentication on unnecessary components.