CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.4 | $0-$5k | 0.00 |
A vulnerability was found in BroadWin WebAccess 4592. It has been declared as very critical. Affected by this vulnerability is an unknown function of the file webvrpcs.exe of the component WebAccess. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
webvrpcs.exe in Advantech/BroadWin WebAccess allows remote attackers to execute arbitrary code or obtain a security-code value via a long string in an RPC request to TCP port 4592.
The weakness was shared 02/06/2012 by Ruben Santamarta (Website). The advisory is shared at us-cert.gov. This vulnerability is known as CVE-2011-4041. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/29/2021). MITRE ATT&CK project uses the attack technique T1059 for this issue.
It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at X-Force (66271).
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.4
VulDB Base Score: 10.0
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Code injectionCWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
03/22/2011 🔍03/23/2011 🔍
06/21/2011 🔍
10/13/2011 🔍
02/06/2012 🔍
02/06/2012 🔍
03/23/2015 🔍
11/29/2021 🔍
Sources
Advisory: us-cert.govResearcher: Ruben Santamarta
Status: Not defined
CVE: CVE-2011-4041 (🔍)
X-Force: 66271
Vulnerability Center: 31927 - BroadWin and Advantech WebAccess Client 7.0 ActiveX Remote Code Execution Vulnerability, Medium
SecurityFocus: 47008 - Advantech/BroadWin SCADA WebAccess Multiple Remote Security Vulnerabilities
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/23/2015 16:50Updated: 11/29/2021 13:44
Changes: 03/23/2015 16:50 (49), 03/24/2017 12:11 (12), 11/29/2021 13:44 (3)
Complete: 🔍
Cache ID: 18:E8C:103
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