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6 vulnerabilities found for WorkExaminer Professional by EfficientLab
CVE-2025-10641 (GCVE-0-2025-10641)
Vulnerability from nvd
Published
2025-10-21 11:48
Modified
2025-11-03 17:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Summary
All WorkExaminer Professional traffic between monitoring client, console and server is transmitted as plain text. This allows an attacker with access to the network to read the transmitted sensitive data. An attacker can also freely modify the data on the wire. The monitoring clients transmit their data to the server using the unencrypted FTP. Clients connect to the FTP server on port 12304 and transmit the data unencrypted. In addition, all traffic between the console client and the server at port 12306 is unencrypted.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| EfficientLab | WorkExaminer Professional |
Version: <= 4.0.0.52001 |
{
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N",
"version": "3.1"
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"content": {
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"options": [
{
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},
{
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],
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"timestamp": "2025-10-22T18:55:03.789443Z",
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
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"value": "Tobias Niemann, SEC Consult Vulnerability Lab"
},
{
"lang": "en",
"type": "finder",
"value": "Daniel Hirschberger, SEC Consult Vulnerability Lab"
},
{
"lang": "en",
"type": "finder",
"value": "Thorger Jansen, SEC Consult Vulnerability Lab"
},
{
"lang": "en",
"type": "finder",
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"value": "\u003cp\u003e\u003c/p\u003e\u003cp\u003eAll WorkExaminer Professional traffic between monitoring client, console and server is transmitted as plain text. This allows an attacker with access to the network to read the transmitted sensitive data. An attacker can also freely modify the data on the wire. The monitoring clients transmit their data to the server using the unencrypted FTP. Clients connect to the FTP server on port 12304 and transmit the data unencrypted. In addition, all traffic between the console client and the server at port 12306 is unencrypted.\u003c/p\u003e\u003cp\u003e\u003c/p\u003e"
}
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"value": "All WorkExaminer Professional traffic between monitoring client, console and server is transmitted as plain text. This allows an attacker with access to the network to read the transmitted sensitive data. An attacker can also freely modify the data on the wire. The monitoring clients transmit their data to the server using the unencrypted FTP. Clients connect to the FTP server on port 12304 and transmit the data unencrypted. In addition, all traffic between the console client and the server at port 12306 is unencrypted."
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"impacts": [
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{
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}
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}
],
"source": {
"discovery": "EXTERNAL"
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CVE-2025-10640 (GCVE-0-2025-10640)
Vulnerability from nvd
Published
2025-10-21 11:43
Modified
2025-11-03 17:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-602 - Client-Side Enforcement of Server-Side Security
Summary
An unauthenticated attacker with access to TCP port 12306 of the WorkExaminer server can exploit missing server-side authentication checks to bypass the login prompt in the WorkExaminer Professional console to gain administrative access to the WorkExaminer server and therefore all sensitive monitoring data. This includes monitored screenshots and keystrokes of all users.
The WorkExaminer Professional console is used for administrative access to the server. Before access to the console is granted administrators must login. Internally, a custom protocol is used to call a respective stored procedure on the MSSQL database. The return value of the call is not validated on the server-side. Instead it is only validated client-side which allows to bypass authentication.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| EfficientLab | WorkExaminer Professional |
Version: <= 4.0.0.52001 |
{
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"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
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"other": {
"content": {
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"options": [
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"Exploitation": "none"
},
{
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},
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}
],
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"timestamp": "2025-10-22T18:59:26.555996Z",
"version": "2.0.3"
},
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}
}
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"providerMetadata": {
"dateUpdated": "2025-10-22T18:59:33.134Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
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},
{
"lang": "en",
"type": "finder",
"value": "Daniel Hirschberger, SEC Consult Vulnerability Lab"
},
{
"lang": "en",
"type": "finder",
"value": "Thorger Jansen, SEC Consult Vulnerability Lab"
},
{
"lang": "en",
"type": "finder",
"value": "Marius Renner, SEC Consult Vulnerability Lab"
}
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"impacts": [
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"descriptions": [
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"problemTypes": [
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}
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"source": {
"discovery": "EXTERNAL"
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"title": "Missing Server-Side Authentication Checks in EfficientLab WorkExaminer Professional",
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CVE-2025-10639 (GCVE-0-2025-10639)
Vulnerability from nvd
Published
2025-10-21 11:36
Modified
2025-11-03 17:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-798 - Use of Hard-coded Credentials
Summary
The WorkExaminer Professional server installation comes with an FTP server that is used to receive the client logs on TCP port 12304. An attacker with network access to this port can use weak hardcoded credentials to login to the FTP server and modify or read data, log files and gain remote code execution as NT Authority\SYSTEM on the server by exchanging accessible service binaries in the WorkExaminer installation directory (e.g. "C:\Program File (x86)\Work Examiner Professional Server").
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| EfficientLab | WorkExaminer Professional |
Version: <= 4.0.0.52001 |
{
"containers": {
"adp": [
{
"metrics": [
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
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"timestamp": "2025-10-22T19:01:35.557725Z",
"version": "2.0.3"
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"impacts": [
{
"capecId": "CAPEC-642",
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"lang": "en",
"value": "CAPEC-642 Replace Binaries"
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]
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"capecId": "CAPEC-191",
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CVE-2025-10641 (GCVE-0-2025-10641)
Vulnerability from cvelistv5
Published
2025-10-21 11:48
Modified
2025-11-03 17:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Summary
All WorkExaminer Professional traffic between monitoring client, console and server is transmitted as plain text. This allows an attacker with access to the network to read the transmitted sensitive data. An attacker can also freely modify the data on the wire. The monitoring clients transmit their data to the server using the unencrypted FTP. Clients connect to the FTP server on port 12304 and transmit the data unencrypted. In addition, all traffic between the console client and the server at port 12306 is unencrypted.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| EfficientLab | WorkExaminer Professional |
Version: <= 4.0.0.52001 |
{
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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"version": "3.1"
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},
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"timestamp": "2025-10-22T18:55:03.789443Z",
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},
"title": "CISA ADP Vulnrichment"
},
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"type": "finder",
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{
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"type": "finder",
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{
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CVE-2025-10640 (GCVE-0-2025-10640)
Vulnerability from cvelistv5
Published
2025-10-21 11:43
Modified
2025-11-03 17:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-602 - Client-Side Enforcement of Server-Side Security
Summary
An unauthenticated attacker with access to TCP port 12306 of the WorkExaminer server can exploit missing server-side authentication checks to bypass the login prompt in the WorkExaminer Professional console to gain administrative access to the WorkExaminer server and therefore all sensitive monitoring data. This includes monitored screenshots and keystrokes of all users.
The WorkExaminer Professional console is used for administrative access to the server. Before access to the console is granted administrators must login. Internally, a custom protocol is used to call a respective stored procedure on the MSSQL database. The return value of the call is not validated on the server-side. Instead it is only validated client-side which allows to bypass authentication.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| EfficientLab | WorkExaminer Professional |
Version: <= 4.0.0.52001 |
{
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"title": "CISA ADP Vulnrichment"
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{
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CVE-2025-10639 (GCVE-0-2025-10639)
Vulnerability from cvelistv5
Published
2025-10-21 11:36
Modified
2025-11-03 17:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-798 - Use of Hard-coded Credentials
Summary
The WorkExaminer Professional server installation comes with an FTP server that is used to receive the client logs on TCP port 12304. An attacker with network access to this port can use weak hardcoded credentials to login to the FTP server and modify or read data, log files and gain remote code execution as NT Authority\SYSTEM on the server by exchanging accessible service binaries in the WorkExaminer installation directory (e.g. "C:\Program File (x86)\Work Examiner Professional Server").
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| EfficientLab | WorkExaminer Professional |
Version: <= 4.0.0.52001 |
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"title": "CISA ADP Vulnrichment"
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