CVE-2009-0177
vmwarebase.dll, as used in the vmware-authd service (aka vmware-authd.exe), in VMware Workstation...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2009-0177- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2009-0177- Updated
- 2026-11-02
EUVDEUVD-2009-0186 No score
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.
- Record
EUVD-2009-0186- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mxv5-rp33-2rv9 No score
vmwarebase.dll, as used in the vmware-authd service (aka vmware-authd.exe), in VMware Workstation...
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.
- Record
GHSA-mxv5-rp33-2rv9- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | VMware 2.5.1 - 'VMware-authd' Remote Denial of Service | 2009-01-02 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-0177 is a medium vulnerability (CVSS 5.0) in Vmware Ace, published January 20, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 8.64%, the 95th percentile. No source names a fixed version.
References
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6433
seclists.org/fulldisclosure/2009/Apr/0036.html
secunia.com/advisories/33372
securityfocus.com/bid/34373
vupen.com/english/advisories/2009/0024
osvdb.org/51180
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exploit-db.com/exploits/7647
securitytracker.com/id?1021512
lists.vmware.com/pipermail/security-announce/2009/000054.html
vmware.com/security/advisories/VMSA-2009-0005.html
nvd.nist.gov/vuln/detail/CVE-2009-0177
github.com/advisories/GHSA-mxv5-rp33-2rv9