CVE-2008-6916
Siemens SpeedStream 5200 with NetPort Software 1.1 allows remote attackers to bypass authentication via an invalid Host header, possibly involving a trailing dot in the hostname.
Affects 2 products across 2 vendors.
Software does not prove or insufficiently proves that the user is who they claim to be.
Show all 10
Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.
The Siemens SpeedStream 5200 with NetPort Software 1.1 is vulnerable to a remote authentication bypass attack via an invalid Host header, potentially involving a trailing dot in the hostname. This vulnerability has a CVSS score of 10.0, indicating critical severity, and has known exploits but no public proof-of-concept. Immediate attention is required to mitigate the risk of unauthorized access and potential compromise of the device.
BSID: BS-2009-GLOBAL-157045-C • Model: Qwen/Qwen2.5-72B-Instruct-AWQ • Confidence: HIGH
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| CVE ID | CVE-2008-6916 |
|---|---|
| BSID | BS-2009-GLOBAL-157045-C BreachSpider Global ID |
| CVSS Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| Published | 2009-08-07 |
| Last Modified | 2026-04-23 |
| ICS Relevance | 90% |
| Weakness (CWE) | |
| Verticals | |
| Source | NVD |
Siemens SpeedStream 5200 with NetPort Software 1.1 allows remote attackers to bypass authentication via an invalid Host header, possibly involving a trailing dot in the hostname.
Source: NIST NVD / MITRE CVE Database
Remote attackers can exploit this vulnerability by sending HTTP requests with an invalid Host header, such as a trailing dot in the hostname, to bypass the authentication mechanism of the Siemens SpeedStream 5200 with NetPort Software 1.1. This allows the attacker to gain unauthorized access to the device without proper credentials.
Exploitation Likelihood: CRITICAL
| CISA KEV | Not in KEV catalog |
|---|---|
| Public Exploit | ⚠ Available — Reference |
| PoC Code | Not confirmed |
Implement network segmentation to isolate the affected devices from untrusted networks. Apply strict access control lists (ACLs) to restrict access to the management interfaces of the SpeedStream 5200 devices.
No reliable network detection signature exists for this vulnerability class — apply the compensating controls above and the vendor patch. SAGE only publishes a network rule when a concrete on-the-wire signature can be grounded in the advisory.
This CVE violates CIP-007-R2 because it allows unauthorized access to the device, which could compromise the security of the electronic security perimeter and the protected systems within it.
This CVE maps to SR 7.6 because it involves a vulnerability that allows unauthorized access to the device, which is a critical security concern for industrial control systems and must be addressed to maintain the integrity and availability of the system.
Virtual patch generated by CITED Relevance SAGE. Validate in isolated environment before production deployment. Compensating control only - does not replace vendor patch.
SAGE Enrichment Record — provenance & audit hash
| Model | Qwen/Qwen2.5-72B-Instruct-AWQ |
|---|---|
| Confidence | HIGH |
| Enriched At | 2026-05-24 |
| SHA-512 Audit Hash | 9cb50ecc87951bbc7707cf0d8f9b8726c9f9da13be2a7c741f231b8f6507b21638bfa182502c612504920cac6c3e54545c2b6fcab8a918aab51764c02a09abe5 |
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