Description
Kaleris NAVIS N4 ULC (Ultra Light Client) communicates insecurely using zlib-compressed data over HTTP. An attacker capable of observing network traffic between Ultra Light Clients and N4 servers can extract sensitive information, including plaintext credentials.
References (1)
Core 1
Core References
Third Party Advisory, US Government Resource government-resource
https://www.cisa.gov/news-events/ics-advisories/icsa-25-175-01
Scores
CVSS v4
6.0
EPSS
0.0021
EPSS Percentile
11.5%
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-319
Status
published
Products (1)
Kaleris/Navis N4
< 4.0
Published
Jun 24, 2025
Tracked Since
Feb 18, 2026