Advantech WebAccess 8.4.5 zip upload allows web shell
CVE-2023-2866 Published on June 7, 2023

Advantech WebAccess Insufficient Type Distinction
If an attacker can trick an authenticated user into loading a maliciously crafted .zip file onto Advantech WebAccess version 8.4.5, a web shell could be used to give the attacker full control of the SCADA server.

NVD

Vulnerability Analysis

CVE-2023-2866 is exploitable with local system access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

Insufficient Type Distinction

The software does not properly distinguish between different types of elements in a way that leads to insecure behavior.


Products Associated with CVE-2023-2866

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Advantech Webaccess
 

Affected Versions

Advantech WebAccess/SCADA Version 8.4.5 is affected by CVE-2023-2866

Exploit Probability

EPSS
0.03%
Percentile
6.50%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.