Vulnerability · Published Jan 26, 2026 · Assigned by INCIBE

CVE-2025-41083Improper Neutralization in Altitude Communication Server

Medium 5.1

In plain English

A medium-severity injection in Altitude Communication Server from Altitude. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).

Severity (CVSS 4.0)5.1Medium

Exploit odds (30 days)0.6%top 52.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Vulnerability in Altitude Authentication Service and Altitude Communication Server v8.5.3290.0 by Altitude, where manipulation of Host header in HTTP requests allows redirection to an arbitrary URL or modification of the base URL to trick the victim into sending login credentials to a malicious website. This behavior can be used to redirect clients to endpoints controlled by the attacker.

Affected products (as reported)

Vendor	Product	Versions
Altitude	Altitude Communication Server	8.5.3290.0

Weakness: CWE-74 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-altitude-communication-server