Cyber Resilience

CVE-2022-47893

Critical

Published: 03 October 2023

Published
03 October 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0131 80.2th percentile
Risk Priority 21 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-47893 is a critical-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Riello-Ups Netman 204 Firmware. Its CVSS base score is 10.0 (Critical).

Operationally, ranked in the top 19.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

There is a remote code execution vulnerability that affects all versions of NetMan 204. A remote attacker could upload a firmware file containing a webshell, that could allow him to execute arbitrary code as root.

CWE(s)

Related Threats

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

Affected Assets

riello-ups
netman 204 firmware
all versions

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-434

Requiring identifiable owners for portable devices reduces the attack surface for unrestricted uploads of dangerous file types via anonymous media.

addresses: CWE-434

Dangerous file uploads can be detonated in the chamber to determine malice before any production write or execution occurs.

addresses: CWE-434

Prevents unrestricted writing of arbitrary or malicious firmware by keeping hardware write-protect enabled except under tightly controlled manual procedures.

addresses: CWE-434

Scans files from external sources on download/open/execute, blocking unrestricted uploads of dangerous file types.

References