What’s Vulnerable › Vulnerabilities
CVE-2025-5087: Cleartext Transmission of Sensitive Information in Kaleris Navis N4
- Severity: medium (CVSS 6.0 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-06-24 · updated 2026-06-17
- Weakness: CWE-319
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.
Affected products
- Kaleris Navis N4: before 4.0 — fixed in 4.0
How to fix
Upgrade to a fixed version: Kaleris Navis N4 4.0. Check the vendor advisory for mitigations.
References
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