PT-2020-5136
CVE-2019-3942
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Published
2020-04-01
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Updated
2020-04-02
Description by
CVSS 2.0
7.8
HighMetricsAV:N/AC:L/Au:N/C:C/I:N/A:N
Name of the Vulnerable Software and Affected Versions
Advantech WebAccess version 8.3.4
Description
The issue is related to insufficient protection of registration data in Advantech WebAccess, allowing a remote attacker to access protected information. Specifically, Advantech WebAccess 8.3.4 does not properly restrict an RPC call, enabling unauthenticated, remote users to read files. An attacker can exploit this to recover the administrator password.
Recommendations
For Advantech WebAccess version 8.3.4, consider restricting access to the RPC call that allows file reading until a patch is available. As a temporary workaround, limit the ability of unauthenticated, remote users to read files to minimize the risk of exploitation.
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