Admin password reset in NetMan 204

published 2023-10-03 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-50648

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits: 0; none known

All versions of NetMan 204 allow an attacker that knows the MAC and serial number of the device to reset the administrator password via the legitimate recovery function.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-09-06)

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Riello UPS Netman-204

Classification

Weakness

CWE-798 Use of Hard-coded Credentials

References

incibe.es /incibe-cert/alerta-temprana/avisos-sci/multiples-vulnerabilidades-netman-204-riello-ups
third-party-advisory

Sources

CVE List CVE-2022-47891
NVD CVE-2022-47891

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary