vmwarebase.dll, as used in the vmware-authd service (aka vmware-authd.exe), in VMware Workstation 6.5.1 build 126130, 6.5.1 and earlier; VMware Player 2.5.1 build 126130, 2.5.1 and earlier; VMware ACE 2.5.1 and earlier; VMware Server 2.0.x before 2.0.1 build 156745; and VMware Fusion before 2.0.2 build 147997 allows remote attackers to cause a denial of service (daemon crash) via a long (1) USER or (2) PASS command.
CVE-2009-0177 is a security vulnerability that . Impacting 5 products from vmware, from vmware, from vmware and 2 others, organizations running these solutions should prioritize assessment and patching.
Originally identified in 2009, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.
2009-01-20T16:00:09.030
2026-04-23T00:35:47.467
Modified
CVSSv2: 5.0 (MEDIUM)
AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | vmware | ace | ≤ 2.5.1 | Yes |
| Application | vmware | ace | 2.5.0 | Yes |
| Application | vmware | fusion | ≤ 2.0.1 | Yes |
| Application | vmware | server | 2.0.0 | Yes |
| Application | vmware | vmware_player | ≤ 2.5.1 | Yes |
| Application | vmware | vmware_player | 1.0.0 | Yes |
| Application | vmware | vmware_player | 1.0.1 | Yes |
| Application | vmware | vmware_player | 1.0.2 | Yes |
| Application | vmware | vmware_player | 1.0.3 | Yes |
| Application | vmware | vmware_player | 1.0.4 | Yes |
| Application | vmware | vmware_player | 1.0.6 | Yes |
| Application | vmware | vmware_player | 1.0.7 | Yes |
| Application | vmware | vmware_player | 1.0.8 | Yes |
| Application | vmware | vmware_player | 1.0.9 | Yes |
| Application | vmware | vmware_player | 1.05 | Yes |
| Application | vmware | vmware_player | 2.0 | Yes |
| Application | vmware | vmware_player | 2.0.1 | Yes |
| Application | vmware | vmware_player | 2.0.2 | Yes |
| Application | vmware | vmware_player | 2.0.3 | Yes |
| Application | vmware | vmware_player | 2.0.4 | Yes |
| Application | vmware | vmware_player | 2.0.5 | Yes |
| Application | vmware | vmware_player | 2.5 | Yes |
| Application | vmware | vmware_workstation | ≤ 6.51 | Yes |
| Application | vmware | vmware_workstation | 4.5.3 | Yes |
| Application | vmware | vmware_workstation | 5.0 | Yes |
| Application | vmware | vmware_workstation | 5.5.0 | Yes |
| Application | vmware | vmware_workstation | 5.5.1 | Yes |
| Application | vmware | vmware_workstation | 5.5.2 | Yes |
| Application | vmware | vmware_workstation | 5.5.3 | Yes |
| Application | vmware | vmware_workstation | 5.5.4 | Yes |
| Application | vmware | vmware_workstation | 5.5.5 | Yes |
| Application | vmware | vmware_workstation | 5.5.6 | Yes |
| Application | vmware | vmware_workstation | 5.5.7 | Yes |
| Application | vmware | vmware_workstation | 5.5.8 | Yes |
| Application | vmware | vmware_workstation | 6.0 | Yes |
| Application | vmware | vmware_workstation | 6.0.1 | Yes |
| Application | vmware | vmware_workstation | 6.0.2 | Yes |
| Application | vmware | vmware_workstation | 6.0.3 | Yes |
| Application | vmware | vmware_workstation | 6.0.4 | Yes |
| Application | vmware | vmware_workstation | 6.0.5 | Yes |
| Application | vmware | vmware_workstation | 6.5 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For vmware's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.