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Vulnerability record · CVE-2006-5990 · published 21 November 2006

CVE-2006-5990: Vmware virtualcenter improper input validation vulnerability

Vmware · Virtualcenter

VMWare VirtualCenter client 2.x before 2.0.1 Patch 1 (Build 33643) and 1.4.x before 1.4.1 Patch 1 (Build 33425), when server certificate verification is enabled, does not verify the server's X.509 certificate when creating an SSL session, which allows remote malicious servers to spoof valid servers via a man-in-the-middle attack.

4.0 CVSS 2.0 Medium EPSS 0.89% · top 42.0% CWE-20 · Improper input validation
4.0CVSS 2.0 base score
0.89%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

Description

VMWare VirtualCenter client 2.x before 2.0.1 Patch 1 (Build 33643) and 1.4.x before 1.4.1 Patch 1 (Build 33425), when server certificate verification is enabled, does not verify the server's X.509 certificate when creating an SSL session, which allows remote malicious servers to spoof valid servers via a man-in-the-middle attack.

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

Affected products

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

References

LinkTags
http://kb.vmware.com/kb/4646606
http://secunia.com/advisories/23053 Vendor Advisory
http://securitytracker.com/id?1017270
http://www.securityfocus.com/archive/1/452275/100/0/threaded
http://www.securityfocus.com/bid/21231
http://www.vmware.com/download/vi/vc-201-200611-patch.html Patch
http://www.vupen.com/english/advisories/2006/4655 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/30477
http://kb.vmware.com/kb/4646606
http://secunia.com/advisories/23053 Vendor Advisory
http://securitytracker.com/id?1017270
http://www.securityfocus.com/archive/1/452275/100/0/threaded
http://www.securityfocus.com/bid/21231
http://www.vmware.com/download/vi/vc-201-200611-patch.html Patch
http://www.vupen.com/english/advisories/2006/4655 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/30477

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2006-5990), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.