CVE-2022-3218
Published: 19 September 2022
Summary
CVE-2022-3218 is a critical-severity Use of Client-Side Authentication (CWE-603) vulnerability in Necta Wifi Mouse Server. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 0.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
The vulnerability CVE-2022-3218 affects the WiFi Mouse (Mouse Server) application from Necta LLC and stems from reliance on client-side authentication. This design flaw, classified under CWE-603 and CWE-287, permits trivial bypass of the authentication mechanism and leads to remote code execution on affected systems. The issue carries a CVSS 3.1 base score of 9.8, reflecting network-accessible attack vectors with no required privileges or user interaction.
An unauthenticated remote attacker can exploit the weakness over the network to bypass authentication entirely and execute arbitrary code on the server host. Public proof-of-concept code and Metasploit modules demonstrate that successful exploitation grants full control equivalent to the privileges of the Mouse Server process.
No vendor advisory or official patch information appears among the referenced sources. Instead, the listed references consist of exploit artifacts on Exploit-DB, Packet Storm, and a Metasploit Framework pull request, indicating that defenders must rely on network segmentation, application removal, or third-party controls rather than an upstream fix.
The CVE maintains high exploitation probability, with an EPSS score reaching a peak of 0.9155 and remaining at 0.8462, consistent with sustained public interest following disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-42632
Vulnerability details
Due to a reliance on client-side authentication, the WiFi Mouse (Mouse Server) from Necta LLC's authentication mechanism is trivially bypassed, which can result in remote code execution.
- 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.
Detects unauthorized successful logons resulting from improper authentication implementations.
Documented procedures ensure personnel are trained on authentication mechanisms, tangibly lowering the risk of improper authentication being exploited.
Security awareness training instructs users on secure authentication practices and avoiding credential compromise.
Training on authentication mechanisms and best practices decreases the occurrence of improper authentication.
Non-repudiation requires strong authentication mechanisms to irrefutably attribute performed actions to specific individuals or processes.
Session content review can reveal authentication bypasses or failures in session establishment.
Review of authentication-related audit records can detect improper authentication mechanisms or bypasses.
Assessments check authentication mechanisms for correct implementation and effectiveness, reducing successful authentication bypass attempts.