Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSummary
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.
The strongest mitigations our analysis identified map to CM-7 (Least Functionality) and SC-7 (Boundary Protection) — see the control section below for these in your framework.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
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.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-42632
Vulnerability Data
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
Likely ATT&CK TechniquesAI
Techniques this vulnerability likely enables, inferred from its description, weakness type, and attributed-actor tradecraft. Confidence is per-technique.
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
Mitigating Controls (NIST 800-53 r5) AI
Boundary protection (e.g., network segmentation or firewall rules) blocks unauthenticated network access to the Mouse Server, directly stopping the remote exploitation path described in the CVE.
Least functionality requires disabling or removing the vulnerable WiFi Mouse Server application when it is not an explicitly authorized capability, eliminating the attack surface.
Remote access control policies and mechanisms can restrict or deny connections to the Mouse Server, mitigating the network-accessible authentication bypass.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Server-enforced authentication directly prevents client-only checks from being bypassed.
PR.AA-04 directly enables verification of identity assertions (mostly preventing CWE-287 in that scope) yet leaves many other authentication failure modes unaddressed (only partial prevention overall).
PR.AA-01 supplies and governs credentials/tokens that authentication relies on, removing some weak-credential cases, yet leaves verification logic, missing checks, and protocol flaws untouched.
PR.AA-02 ensures valid enrollment and unique credential binding, which reduces some improper-auth risks at issuance time but leaves runtime claim verification untouched, so each direction only partially addresses the other.
PR.PS-01 can enforce auth-related settings via hardened baselines and default reviews, blocking some config-based instances of CWE-287, yet leaves code-level auth flaws untouched so neither direction reaches mostly.
Patching/maintenance can remediate some known auth vulnerabilities after deployment (partial forward) but does not address the design or implementation of authentication logic itself (none reverse).
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Requires server-side authentication mechanisms that directly prevent client-only checks.
Verifying user identity before issuing replacement credentials and forcing changes after compromise reduces the likelihood that authentication bypass can be achieved through stolen or weak credentials.
Promotes secure architecture principles that reject client-only authentication designs.
Security testing can detect missing server-side authentication checks.
Mandating segregated approval and oversight for non-human identities reduces the chance that weak or orphaned credentials can be exploited for unauthorized authentication.
Requiring authentication mechanisms and technical parameters for secure connections ensures that network services verify user identity before granting access, preventing exploitation of missing or weak authentication.