{"id":"CVE-2025-5087","aliases":["EUVD-2025-19055","GHSA-wq9q-jvph-86fj"],"status":"published","title":"Cleartext Transmission of Sensitive Information in Kaleris Navis N4","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.","severity":{"version":"4.0","score":6,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00254,"percentile":0.17084,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-319"],"published":"2025-06-24T18:30:40Z","modified":"2026-06-17T09:47:10Z","products":[{"vendor":"kaleris","product":"navis n4"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-25-175-01","tags":["government-resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-5087"},{"url":"https://github.com/advisories/GHSA-wq9q-jvph-86fj"}],"sources":{"cve":[{"id":"CVE-2025-5087","title":"Cleartext Transmission of Sensitive Information in Kaleris Navis N4","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.","status":"published","published":"2025-06-24T18:30:40.7Z","modified":"2025-06-24T18:46:31.376Z","cvss":[{"version":"4.0","score":6,"vector":"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","level":"medium","assessor":"cna"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:32:29.607786Z"}],"euvd":[{"id":"EUVD-2025-19055","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.","status":"published","published":"2025-06-24T18:30:40Z","modified":"2025-06-24T18:46:31Z","cvss":[{"version":"4.0","score":6,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T20:32:16.964954Z"}],"ghsa":[{"id":"GHSA-wq9q-jvph-86fj","title":"Kaleris NAVIS N4 ULC (Ultra Light Client) communicates insecurely using zlib-compressed data over...","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.","status":"published","published":"2025-06-24T21:30:28Z","modified":"2025-06-24T21:30:35Z","cvss":[{"version":"4.0","score":6,"vector":"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/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","level":"medium"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T15:02:48.872885Z"}],"nvd":[{"id":"CVE-2025-5087","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.","status":"published","published":"2025-06-24T19:15:23.757Z","modified":"2026-06-17T09:47:10.513Z","cvss":[{"version":"4.0","score":6,"vector":"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/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","level":"medium","assessor":"secondary"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:11:14.091082Z"}]}}