How severe is CVE-2022-47891?

CVE-2022-47891 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2022-47891 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-47891?

CVE-2022-47891 affects Riello-ups Netman 204 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-47891?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-47891 published?

CVE-2022-47891 was published on 2023-10-03 and last updated on 2026-06-17.

CVE-2022-47891

CVE-2022-47891 is a high-severity vulnerability in Riello-ups Netman 204 Firmware with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Riello-ups Netman 204 Firmware
Published: 2023-10-03
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2022-47891?: 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.
How severe is CVE-2022-47891?: CVE-2022-47891 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2022-47891 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-47891?: CVE-2022-47891 affects Riello-ups Netman 204 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-47891?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-47891 published?: CVE-2022-47891 was published on 2023-10-03 and last updated on 2026-06-17.

References

https://www.incibe.es/incibe-cert/alerta-temprana/avisos-sci/multiples-vulnerabilidades-netman-204-riello-ups

Affected products (1)

cpe:2.3:o:riello-ups:netman_204_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Riello-ups Netman 204 Firmware

CVE-2022-47893 — Critical (CVSS 10.0): There is a remote code execution vulnerability that affects all versions of NetMan 204. A remote attacker could upload…
CVE-2024-8878 — Critical (CVSS 9.8): The password recovery mechanism for the forgotten password in Riello Netman 204 allows an attacker to reset the admin…
CVE-2024-8877 — Critical (CVSS 9.8): Improper neutralization of special elements results in a SQL Injection vulnerability in Riello Netman 204. It is only…
CVE-2017-6900 — Critical (CVSS 9.8): An issue was discovered in Riello NetMan 204 14-2 and 15-2. The issue is with the login script and wrongpass Python…
CVE-2022-3372 — High (CVSS 8.8): There is a CSRF vulnerability on Netman-204 version 02.05. An attacker could manage to change administrator passwords…
CVE-2022-47892 — Medium (CVSS 5.3): All versions of NetMan 204 could allow an unauthenticated remote attacker to read a file (config.cgi) containing…

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