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Vulnerability Summary for CVE-2010-4573

Original release date: 12/22/2010
Last revised: 01/11/2011


The Update Installer in VMware ESXi 4.1, when a modified sfcb.cfg is present, does not properly configure the SFCB authentication mode, which allows remote attackers to obtain access via an arbitrary username and password.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 9.3 (HIGH) (AV:N/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: BID
Name: 45543
External Source: SECUNIA
Name: 42591
Type: Advisory
External Source: SECTRACK
Name: 1024917
External Source: CONFIRM
Name: http://www.vmware.com/security/advisories/VMSA-2010-0020.html
Type: Advisory
External Source: VUPEN
Name: ADV-2010-3303
Type: Advisory
External Source: CONFIRM
Name: http://kb.vmware.com/kb/1031761
External Source: BUGTRAQ
Name: 20101221 VMSA-2010-0020 VMware ESXi 4.1 Update Installer SFCB Authentication Flaw
External Source: MLIST
Name: [security-announce] 20101221 VMSA-2010-0020 VMware ESXi 4.1 Update Installer SFCB Authentication Flaw

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:vmware:esxi:4.1

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

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