CVE-2025-0432 json
HMS Networks Ewon Flexy 202 Cleartext Transmission of Sensitive Information
published 2025-01-28 21 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-1665
- cvss
- 5.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 3%
- public exploits
- 0
- none known
Summary
EWON Flexy 202 transmits user credentials in clear text with no encryption when a user is added, or user credentials are changed via its webpage.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-25-023-06 updated cvss 5.7
HMS Networks Ewon Flexy 202
-
HMS Networks Ewon Flexy 202affected: mitigation “To ensure the highest level of security when using the Ewon Flexy device, HMS strongly recommend following these best practices:” hmsnetworks.blob.core.windows.net
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 5.7 | CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/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 |
Affected products
- HMS Networks Ewon Flexy 202
Classification
- Weakness
-
- CWE-319 Cleartext Transmission of Sensitive Information
References
- cisa.gov /news-events/ics-advisories/icsa-25-023-06
- hms-networks.com /cyber-security
- hmsnetworks.blob.core.windows.net /nlw/docs/default-source/products/ewon/manuals-and-guides---installation-guides/best-practices-for-a-secure-us
- support.hms-networks.com /hc/en-us/articles/19393244940818-How-to-block-all-the-unused-Ewon-Flexy-Cosy131-services-on-the-LAN-WAN-and-o
Sources
- CVE List CVE-2025-0432
- NVD CVE-2025-0432
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.