Cyber Resilience

CVE-2022-4968

MediumPublic PoC

Published: 07 June 2024

Published
07 June 2024
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS Score 0.0037 58.9th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-4968 is a medium-severity Exposure of Sensitive System Information to an Unauthorized Control Sphere (CWE-497) vulnerability in Canonical Netplan. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 41.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

netplan leaks the private key of wireguard to local users. Versions after 1.0 are not affected.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

canonical
netplan
≤ 1.0.1

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.

addresses: CWE-497

Ongoing reviews detect and remove sensitive system information before it reaches publicly accessible systems.

addresses: CWE-497

Employs detection to prevent unauthorized mining of sensitive system information from being exfiltrated to external control spheres.

addresses: CWE-497

Documenting where system information is processed and stored prevents exposure to unauthorized control spheres.

addresses: CWE-497

The control stops sensitive system information from crossing into unauthorized control spheres through EM emanations.

addresses: CWE-497

Authorization and minimization requirements keep PII out of test/research control spheres that often lack production-grade protections.

addresses: CWE-497

Documented categorization of system information reduces the chance that sensitive internals are left exposed to unauthorized spheres.

addresses: CWE-497

System information is concealed or replaced with decoys, reducing leakage to unauthorized observers.

addresses: CWE-497

Ensures sensitive system information is not disclosed outside the intended control sphere through error output.

References