Altitude Communication Server 8.5.3290.0 Authentication Service injection

Summaryinfo

A vulnerability, which was classified as problematic, was found in Altitude Communication Server 8.5.3290.0. Affected by this vulnerability is an unknown functionality of the component Authentication Service. Such manipulation leads to injection. This vulnerability is listed as CVE-2025-41083. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Altitude Communication Server 8.5.3290.0. Affected by this issue is some unknown functionality of the component Authentication Service. The manipulation with an unknown input leads to a injection vulnerability. Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was presented by Julen Garrido Estevez. The advisory is shared for download at incibe.es. This vulnerability is handled as CVE-2025-41083 since 04/16/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/26/2026). The MITRE ATT&CK project declares the attack technique as T1055.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Altitude

Name

• Communication Server

Version

• 8.5.3290.0

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CPE 2.2info

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