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Fencer Intel
critical 10.0

CVE-2011-4041 in the critical feed json

webvrpcs.exe in Advantech/BroadWin WebAccess allows remote attackers to execute arbitrary code or obtain a security-code value via a long s…

published 2012-02-06 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3993

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
17.7%
EPSS 17.7% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-11-094-02B updated cvss 10.0

Advantech/Broadwin WebAccess RPC Vulnerability

  • Advantech/Broadwin WebAccess <7.1_2013.05.30
    affected: mitigation “Advantech has also created the following site to share additional information about WebAccess: (http://webaccess.advantech.com/)”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Timeline

  1. First public exploit (EDB-35495)
  2. Published

Exploit prediction

17.69% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-35495 Advantech/BroadWin SCADA Webaccess 7.0 - Multiple Vulnerabilities remote, 2011-03-23
  • reversemode.com http://reversemode.com/index.php?option=com_content&task=view&id=72&Itemid=1 referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/47008 referenced PoC, tagged "exploit" by a source, unverified
  • reversemode.com http://www.reversemode.com/downloads/exploit_advantech.zip referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.