ESA-2012-034: EMC Cloud Tiering Appliance (CTA) Authentication- Bypass Vulnerability

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Subject: ESA-2012-034: EMC Cloud Tiering Appliance (CTA) Authentication- Bypass Vulnerability


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ESA-2012-034: EMC Cloud Tiering Appliance (CTA) Authentication Bypass Vulnerability

EMC Identifier: ESA-2012-034

CVE Identifier: CVE-2012-2285 

Severity Rating: CVSS v2 Base Score: 9.3 (AV:N/AC:M/Au:N/C:C/I:C/A:C)

Affected products:

EMC Cloud Tiering Appliance (CTA) 7.4 and earlier

EMC Cloud Tiering Appliance Virtual Edition (CTA/VE) 7.4 and earlier

EMC Cloud Tiering Appliance (CTA) 9.0 and earlier

EMC Cloud Tiering Appliance Virtual Edition (CTA/VE) 9.0 and earlier


EMC CTA (formerly EMC FMA) contains a vulnerability that could potentially allow unauthorized administrative access to the affected system.


The vulnerability could allow an unauthorized user to log in to the affected system as a GUI user with full administrative privileges by providing specifically crafted malicious file during authentication process.


The following products contain a resolution to this issue: 

CTA 7.5 and 9.0 with Hotfix ESA-2012-034
CTA 7.3.1 and later with Hotfix ESA-2012-034

Older versions of CTA code will have to be upgraded first to CTA 7.3.1 and later or CTA 7.5 and later to apply the hotfix. For the workaround information and hotfix installation steps, see EMC Knowledgebase solution emc300988. 

Link to remedies:

Registered EMC customers can download the Hotfix from Online Support at for FMA and CTA, or for FMA/VE and CTA/VE.on > Update Software > Obtain Candidate Version Online


EMC would like to thank for reporting this issue.

Because the view is restricted based on customer agreements, you may not have permission to view certain downloads. Should you not see a software download you believe you should have access to, follow the instructions in EMC Knowledgebase solution emc116045. 

For an explanation of Severity Ratings, refer to EMC Knowledgebase solution emc218831. EMC recommends all customers take into account both the base score and any relevant temporal and environmental scores which may impact the potential severity associated with particular security vulnerability.

EMC Corporation distributes EMC Security Advisories, in order to bring to the attention of users of the affected EMC products, important security information. EMC recommends that all users determine the applicability of this information to their individual situations and take appropriate action. The information set forth herein is provided "as is" without warranty of any kind. EMC disclaims all warranties, either express or implied, including the warranties of merchantability, fitness for a particular purpose, title and non-infringement. In no event, shall EMC or its suppliers, be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if EMC or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages, so the foregoing limitation may not apply. 

EMC Product Security Response Center 
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