Belden Hirschmann HiLCOS Classic Platform up to 05.3.06/05.3.6/09.0.05/09.0.5 SNMP password recoverable

Summaryinfo

A vulnerability marked as critical has been reported in Belden Hirschmann HiLCOS Classic Platform up to 05.3.06/05.3.6/09.0.05/09.0.5. This affects an unknown function of the component SNMP. Performing a manipulation results in password recoverable. This vulnerability is known as CVE-2016-15058. Access to the local network is required for this attack. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Belden Hirschmann HiLCOS Classic Platform up to 05.3.06/05.3.6/09.0.05/09.0.5. This affects an unknown code of the component SNMP. The manipulation with an unknown input leads to a password recoverable vulnerability. CWE is classifying the issue as CWE-257. The storage of passwords in a recoverable format makes them subject to password reuse attacks by malicious users. In fact, it should be noted that recoverable encrypted passwords provide no significant benefit over plaintext passwords since they are subject not only to reuse by malicious attackers but also by malicious insiders. If a system administrator can recover a password directly, or use a brute force search on the available information, the administrator can use the password on other accounts. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Hirschmann HiLCOS Classic Platform switches Classic L2E, L2P, L3E, L3P versions prior to 09.0.06 and Classic L2B prior to 05.3.07 contain a credential exposure vulnerability where user passwords are synchronized with SNMPv1/v2 community strings and transmitted in plaintext when the feature is enabled. Attackers with local network access can sniff SNMP traffic or extract configuration data to recover plaintext credentials and gain unauthorized administrative access to the switches.

It is possible to read the advisory at assets.belden.com. This vulnerability is uniquely identified as CVE-2016-15058 since 04/03/2026. The exploitability is told to be easy. The attack needs to be initiated within the local network. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

Upgrading to version 05.3.07 or 09.0.06 eliminates this vulnerability.

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Productinfo

Vendor

• Belden

Name

• Hirschmann HiLCOS Classic Platform

Version

• 05.3.0
• 05.3.06
• 05.3.1
• 05.3.2
• 05.3.3
• 05.3.4
• 05.3.5
• 05.3.6
• 09.0.0
• 09.0.05
• 09.0.1
• 09.0.2
• 09.0.3
• 09.0.4
• 09.0.5

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