Webaccess Security Vulnerabilities - CVSS Score 9 - 10
Unrestricted file upload vulnerability in the uploadImageCommon function in the UploadAjaxAction script in the WebAccess Dashboard Viewer in Advantech WebAccess before 8.1 allows remote attackers to write to files of arbitrary types via unspecified vectors.
9.8CVSS
9.3AI Score
0.42EPSS
Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to execute arbitrary code via unspecified vectors.
9.8CVSS
9.7AI Score
0.713EPSS
Multiple heap-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to execute arbitrary code via unspecified vectors.
9.8CVSS
9.6AI Score
0.661EPSS
Integer overflow in the Kernel service in Advantech WebAccess before 8.1 allows remote attackers to execute arbitrary code or cause a denial of service (stack-based buffer overflow) via a crafted RPC request.
9.8CVSS
9.7AI Score
0.418EPSS
An Improper Authentication issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Specially crafted requests allow a possible authentication bypass that could allow remote code execution.
9.8CVSS
9.8AI Score
0.006EPSS
A stack-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities where there is a lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer, which could all...
9.8CVSS
9.7AI Score
0.004EPSS
An Improper Restriction Of Operations Within The Bounds Of A Memory Buffer issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities that allow invalid locations to be referenced for the memory buffer, which may allow an attack...
9.8CVSS
9.6AI Score
0.004EPSS
A SQL Injection issue was discovered in WebAccess versions prior to 8.3. WebAccess does not properly sanitize its inputs for SQL commands.
9.8CVSS
9.6AI Score
0.007EPSS
A Path Traversal issue was discovered in WebAccess versions 8.3.2 and earlier. An attacker has access to files within the directory structure of the target device.
9.8CVSS
9.1AI Score
0.046EPSS
A Stack-based Buffer Overflow issue was discovered in Advantech WebAccess versions prior to 8.3. There are multiple instances of a vulnerability that allows too much data to be written to a location on the stack.
9.8CVSS
9.1AI Score
0.003EPSS
An issue was discovered in Advantech WebAccess Version 8.1. By accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to access pages unrestricted (AUTHENTICATION BYPASS).
9.1CVSS
9.2AI Score
0.003EPSS
An issue was discovered in Advantech WebAccess Version 8.1. To be able to exploit the SQL injection vulnerability, an attacker must supply malformed input to the WebAccess software. Successful attack could result in administrative access to the application and its data files.
9.8CVSS
9.6AI Score
0.002EPSS
In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, a path transversal vulnerability has been identified, which may allow an at...
9.8CVSS
9.6AI Score
0.005EPSS
Advantech WebAccess 8.3.1 and earlier has a path traversal vulnerability which may allow an attacker to execute arbitrary code.
9.8CVSS
9.6AI Score
0.009EPSS
Advantech WebAccess 8.3.1 and earlier has several stack-based buffer overflow vulnerabilities that have been identified, which may allow an attacker to execute arbitrary code.
9.8CVSS
10AI Score
0.043EPSS
The VBWinExec function in Node\AspVBObj.dll in Advantech WebAccess 8.3.0 allows remote attackers to execute arbitrary OS commands via a single argument (aka the command parameter).
9.8CVSS
9.8AI Score
0.046EPSS
In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, several untrusted pointer dereference vulnerabilities have been identified,...
9.8CVSS
9.8AI Score
0.004EPSS
In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, several stack-based buffer overflow vulnerabilities have been identified, w...
9.8CVSS
10AI Score
0.093EPSS
In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, a TFTP application has unrestricted file uploads to the web application wit...
9.8CVSS
9.6AI Score
0.004EPSS
In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, a heap-based buffer overflow vulnerability has been identified, which may a...
9.8CVSS
9.8AI Score
0.075EPSS
In WebAccess/SCADA, Versions 8.3.5 and prior, a path traversal vulnerability is caused by a lack of proper validation of a user-supplied path prior to use in file operations. An attacker can leverage this vulnerability to delete files while posing as an administrator.
9.1CVSS
9.1AI Score
0.009EPSS
In WebAccess/SCADA Versions 8.3.5 and prior, multiple heap-based buffer overflow vulnerabilities are caused by a lack of proper validation of the length of user-supplied data. Exploitation of these vulnerabilities may allow remote code execution. Note: A different vulnerability than CVE-2019-10991.
9.8CVSS
10AI Score
0.075EPSS
In WebAccess/SCADA, Versions 8.3.5 and prior, multiple stack-based buffer overflow vulnerabilities are caused by a lack of proper validation of the length of user-supplied data. Exploitation of these vulnerabilities may allow remote code execution.
9.8CVSS
10AI Score
0.075EPSS
In WebAccess/SCADA Versions 8.3.5 and prior, multiple untrusted pointer dereference vulnerabilities may allow a remote attacker to execute arbitrary code.
9.8CVSS
9.6AI Score
0.061EPSS
In WebAccess, versions 8.4.1 and prior, an improper authorization vulnerability may allow an attacker to disclose sensitive information, cause improper control of generation of code, which may allow remote code execution or cause a system crash.
9.8CVSS
9.6AI Score
0.008EPSS
In WebAccess versions 8.4.1 and prior, an exploit executed over the network may cause improper control of generation of code, which may allow remote code execution, data exfiltration, or cause a system crash.
9.8CVSS
9.6AI Score
0.011EPSS
Advantech WebAccess 8.3.4 is vulnerable to file upload attacks via unauthenticated RPC call. An unauthenticated, remote attacker can use this vulnerability to execute arbitrary code.
9.8CVSS
9.7AI Score
0.007EPSS
Advantech WebAccess before 8.4.3 allows unauthenticated remote attackers to execute arbitrary code or cause a denial of service (memory corruption) due to a stack-based buffer overflow when handling IOCTL 70533 RPC messages.
9.8CVSS
9.9AI Score
0.017EPSS
Stack-based buffer overflow in Advantech WebAccess/SCADA 8.4.0 allows a remote, unauthenticated attacker to execute arbitrary code by sending a crafted IOCTL 10012 RPC call.
9.8CVSS
9.8AI Score
0.021EPSS
Stack-based buffer overflow in Advantech WebAccess/SCADA 8.4.0 allows a remote, unauthenticated attacker to execute arbitrary code by sending a crafted IOCTL 81024 RPC call.
9.8CVSS
9.7AI Score
0.021EPSS
Stack-based buffer overflow in Advantech WebAccess/SCADA 8.4.1 allows a remote, unauthenticated attacker to execute arbitrary code via a crafted IOCTL 70603 RPC message.
9.8CVSS
9.8AI Score
0.021EPSS
Advantech WebAccess/SCADA, Versions 8.3.5 and prior. Multiple stack-based buffer overflow vulnerabilities, caused by a lack of proper validation of the length of user-supplied data, may allow remote code execution.
9.8CVSS
9.8AI Score
0.049EPSS
Advantech WebAccess/SCADA, Versions 8.3.5 and prior. Multiple command injection vulnerabilities, caused by a lack of proper validation of user-supplied data, may allow remote code execution.
9.8CVSS
10AI Score
0.005EPSS
Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple heap-based buffer overflow vulnerabilities exist caused by a lack of proper validation of the length of user-supplied data, which may allow remote code execution.
9.8CVSS
9.9AI Score
0.104EPSS
Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple stack-based buffer overflow vulnerabilities exist caused by a lack of proper validation of the length of user-supplied data, which may allow remote code execution.
9.8CVSS
9.9AI Score
0.082EPSS
Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple relative path traversal vulnerabilities exist that may allow a low privilege user to overwrite files outside the application’s control.
9.8CVSS
9.5AI Score
0.017EPSS
WebAccess Node Version 8.4.4 and prior is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code.
9.8CVSS
9.6AI Score
0.113EPSS
Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. An improper validation vulnerability exists that could allow an attacker to inject specially crafted input into memory where it can be executed.
9.8CVSS
9.3AI Score
0.004EPSS
Advantech WebAccess versions 9.02 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.
9.8CVSS
9.5AI Score
0.022EPSS
Advantech WebAccess versions 9.02 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute code.
9.8CVSS
9.5AI Score
0.013EPSS
A stack-based buffer overflow vulnerability in Advantech WebAccess Versions 9.02 and prior caused by a lack of proper validation of the length of user-supplied data may allow remote code execution.
9.8CVSS
9.9AI Score
0.013EPSS