CVE-2025-5087 - CVE House
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Status published Medium CVE-2025-5087

Cleartext Transmission of Sensitive Information in Kaleris Navis N4

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from Kaleris

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CVE-2025-2566
Deserialization of Untrusted Data in Kaleris Navis N4
Critical 9.3

Affected Vendor

Affected Software

Navis N4
Vulnerable Versions:
0

Timeline

Official Publish: June 24th, 2025
Last Modified: June 24th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-319

MITRE ATT&CK TTPs

T1040 Network Sniffing
Collection
T1557 Adversary-in-the-Middle
Credential Access
T1552 Unsecured Credentials
Credential Access
T1078 Valid Accounts
Persistence
T1071 Application Layer Protocol
Command and Control