Vulnerability Monitor

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CVE-2009-0177


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.


Security Impact Summary

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.

Historical Context

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.


Published

2009-01-20T16:00:09.030

Last Modified

2026-04-23T00:35:47.467

Status

Modified

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-399

Affected Vendors & Products
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

References

How SecUtils Interprets This CVE

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.