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Vulnerability record · CVE-2009-0177 · published 20 January 2009

CVE-2009-0177: Vmware ace vulnerability

Vmware · Ace

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.

5.0 CVSS 2.0 Medium EPSS 8.6% · top 5.1% CWE-399 · CWE-399
5.0CVSS 2.0 base score
8.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
24References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

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.

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

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.vmware.com/pipermail/security-announce/2009/000054.html Patch
http://osvdb.org/51180
http://seclists.org/fulldisclosure/2009/Apr/0036.html Patch
http://secunia.com/advisories/33372 Vendor Advisory
http://secunia.com/advisories/34601 Vendor Advisory
http://www.securityfocus.com/bid/34373 Exploit
http://www.securitytracker.com/id?1021512
http://www.vmware.com/security/advisories/VMSA-2009-0005.html PatchVendor Advisory
http://www.vupen.com/english/advisories/2009/0024 Vendor Advisory
http://www.vupen.com/english/advisories/2009/0944 Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6433
https://www.exploit-db.com/exploits/7647
http://lists.vmware.com/pipermail/security-announce/2009/000054.html Patch
http://osvdb.org/51180
http://seclists.org/fulldisclosure/2009/Apr/0036.html Patch
http://secunia.com/advisories/33372 Vendor Advisory
http://secunia.com/advisories/34601 Vendor Advisory
http://www.securityfocus.com/bid/34373 Exploit
http://www.securitytracker.com/id?1021512
http://www.vmware.com/security/advisories/VMSA-2009-0005.html PatchVendor Advisory
http://www.vupen.com/english/advisories/2009/0024 Vendor Advisory
http://www.vupen.com/english/advisories/2009/0944 Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6433
https://www.exploit-db.com/exploits/7647

Track CVE-2009-0177 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2020-3950VMware Fusion, VMRC and Horizon Client setuid privilege escalationVMware Fusion, VMware Remote Console for Mac and Horizon Client for Mac mishandle setuid binaries, allowing a local user to gain root. The flaw affec…KEVEPSS 7.3%analysed6.0CVE-2025-22226VMware ESXi, Workstation and Fusion HGFS out-of-bounds read leaks vmx memoryVMware ESXi, Workstation, Fusion and related cloud products contain an out-of-bounds read in the HGFS (Host Guest File System) component. A malicious…KEVEPSS 1.7%analysed10.0CVE-2009-3732Vmware ace vulnerabilityFormat string vulnerability in vmware-vmrc.exe build 158248 in VMware Remote Console (aka VMrc) allows remote attackers to execute arbitrary code via…EPSS 16%10.0CVE-2008-3691Vmware ace vulnerabilityUnspecified vulnerability in a certain ActiveX control in VMware Workstation 5.5.x before 5.5.8 build 108000, VMware Workstation 6.0.x before 6.0.5 b…EPSS 3.9%10.0CVE-2008-3692Vmware ace vulnerabilityUnspecified vulnerability in a certain ActiveX control in VMware Workstation 5.5.x before 5.5.8 build 108000, VMware Workstation 6.0.x before 6.0.5 b…EPSS 3.6%10.0CVE-2008-3693Vmware ace vulnerabilityUnspecified vulnerability in a certain ActiveX control in VMware Workstation 5.5.x before 5.5.8 build 108000, VMware Workstation 6.0.x before 6.0.5 b…EPSS 3.6%10.0CVE-2008-3694Vmware ace vulnerabilityUnspecified vulnerability in a certain ActiveX control in VMware Workstation 5.5.x before 5.5.8 build 108000, VMware Workstation 6.0.x before 6.0.5 b…EPSS 3.6%10.0CVE-2008-3695Vmware ace vulnerabilityUnspecified vulnerability in a certain ActiveX control in VMware Workstation 5.5.x before 5.5.8 build 108000, VMware Workstation 6.0.x before 6.0.5 b…EPSS 3.6%

Source: NIST National Vulnerability Database (record CVE-2009-0177), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.