Unauthenticated Password Reset
The password recovery mechanism for the forgotten password in Riello Netman 204 allows an attacker to reset the admin password and take over control of the device.This issue affects Netman 204: through 4.05.
- Published
- Sep 24, 2024
- Updated
- Jun 17, 2026
- EPSS
- 1.3% · 69th percentile
- CWE
- CWE-640
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Report tools
Action score
40
Plan
Add it to your regular patch cycle.
- CVSS
- 40 / 40 · 10.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.3%
CISA SSVC decision
- Exploitation
- proof of concept
- Automatable
- yes
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · CyberDanube
- 10.0
- NVD has not scored this yet; the score shown is the CNA’s.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| riello-ups | netman 204 firmware | cpe:2.3:o:riello-ups:netman_204_firmware |
| riello-ups | netman 204 | cpe:2.3:h:riello-ups:netman_204 |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- riello-ups netman 204 firmwareup to 4.05 inclusive
Versions reported by the vendor
Affected version ranges reported by the assigning authority (CyberDanube). Independent of NVD's CPE analysis and usually ahead of it.
Riello Netman 204
- up to and including 4.05affected
Same product
riello-ups: all recordsOther highest-scoring records for the same primary product.
- CVE-2024-8877Improper neutralization of special elements results in a SQL Injection vulnerability in Riello Netman 204.50Plan
- CVE-2017-6900An issue was discovered in Riello NetMan 204 14-2 and 15-2.40Plan
- CVE-2022-47893NetMan 204 Remote Code Execution39Monitor
- CVE-2022-47891Admin password reset in NetMan 20435Monitor
- CVE-2022-3372Cross-Site Request Forgery (CSRF) in Riello UPS Netman-20435Monitor
- CVE-2022-47892Information disclosure in NetMan 20430Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
- D. Blagojevic (CyberDanube)finder
- T. Weber (CyberDanube)finder
- S. Dietz (CyberDanube)finder
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
National notice (Türkiye Cybersecurity Directorate / USOM)
Official security notices citing this record; remediation advice is on the agency's page.
- TR-24-1533 · Sep 25, 2024(Riello Netman 204 Güvenlik Zafiyeti)
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- Integrity
- Availability
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- X
Weakness class (CWE)
CWE-640 · Weak Password Recovery Mechanism for Forgotten PasswordCVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- cyberdanube.com/en/en-multiple-vulnerabilities-in-riello-netman-204/index.html
- seclists.org/fulldisclosure/2024/Sep/50
Vendor advisories and official records. Exploit/PoC links are deliberately left out.