EPiServer Ektron CMS up to 8.02 SP4 XSL Data ekajaxtransform.aspx XslCompiledTransform data processing

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in EPiServer Ektron CMS up to 8.02 SP4 and classified as critical. Impacted is the function XslCompiledTransform of the file ekajaxtransform.aspx of the component XSL Data Handler. Executing a manipulation can lead to data processing. The identification of this vulnerability is CVE-2012-5357. The attack may be launched remotely. Furthermore, there is an exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical was found in EPiServer Ektron CMS up to 8.02 SP4 (Content Management System). This vulnerability affects the function XslCompiledTransform of the file ekajaxtransform.aspx of the component XSL Data Handler. The manipulation with an unknown input leads to a data processing vulnerability. The CWE definition for the vulnerability is CWE-19. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Ektron Content Management System (CMS) before 8.02 SP5 uses the XslCompiledTransform class with enablescript set to true, which allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges via crafted XSL data.

The bug was discovered 10/16/2012. The weakness was shared 10/30/2017 (Website). The advisory is shared for download at documentation.ektron.com. This vulnerability was named CVE-2012-5357 since 10/10/2012. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:ekajaxtransform.aspx it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 63245 (Ektron CMS XslCompiledTransform Class Request Parsing Remote Code Execution), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12659 (Ektron CMS Remote Code Execution Vulnerability).

Applying the patch 8.02 SP5 is able to eliminate this problem. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (23155), Tenable (63245), SecurityFocus (BID 56816†) and OSVDB (88107†). The entry VDB-108785 is related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Data processing
CWE: CWE-19
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 63245
Nessus Name: Ektron CMS XslCompiledTransform Class Request Parsing Remote Code Execution
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103369
OpenVAS Name: Ektron CMS XslCompiledTransform Class Remote Code Execution Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: ektron_xslt_exec.rb
MetaSploit Name: Ektron 8.02 XSLT Transform Remote Code Execution
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 8.02 SP5

Timelineinfo

10/10/2012 🔍
10/16/2012 +6 days 🔍
10/26/2012 +10 days 🔍
12/05/2012 +39 days 🔍
12/12/2012 +7 days 🔍
10/30/2017 +1783 days 🔍
10/30/2017 +0 days 🔍
10/31/2017 +1 days 🔍
08/21/2025 +2851 days 🔍

Sourcesinfo

Advisory: documentation.ektron.com
Researcher: Richard Lundeen
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-5357 (🔍)
GCVE (CVE): GCVE-0-2012-5357
GCVE (VulDB): GCVE-100-108784
SecurityFocus: 56816
OSVDB: 88107 - CVE-2012-5357 - Ektron - Ektron Content Management System - High

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 10/31/2017 07:50
Updated: 08/21/2025 23:25
Changes: 10/31/2017 07:50 (76), 04/01/2020 16:50 (6), 01/21/2021 09:19 (5), 12/29/2024 06:35 (20), 04/24/2025 04:43 (2), 08/21/2025 23:25 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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