var-202004-0052
Vulnerability from variot
WebAccess/NMS (versions prior to 3.0.2) does not sanitize XML input. Specially crafted XML input could allow an attacker to read sensitive files. WebAccess/NMS To XML There is a vulnerability in an external entity.Information may be obtained. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Advantech WebAccess/NMS. Authentication is not required to exploit this vulnerability.The specific flaw exists within the processing of calls to the MibbrowserMibbrowserTrapAddAction method. Due to the improper restriction of XML External Entity (XXE) references, a specially crafted document specifying a URI causes the XML parser to access the URI and embed the contents back into the XML document for further processing. An attacker can leverage this vulnerability to disclose file contents in the context of SYSTEM. Advantech WebAccess/NMS is a set of Web browser-based Network Management System (NMS) software package developed by China Taiwan Advantech Corporation. A code problem vulnerability exists in Advantech WebAccess/NMS versions prior to 3.0.2
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.