CVE-2011-5007
Stack-based buffer overflow in the CmpWebServer component in 3S CoDeSys 3.4 SP4 Patch 2 and...
Stack-based buffer overflow in the CmpWebServer component in 3S CoDeSys 3.4 SP4 Patch 2 and earlier, as used on the ABB AC500 PLC and possibly other products, allows remote attackers to execute arbitrary code via a long URI to TCP port 8080.
Exploit likelihood
What each source reports
NVD Score used
10.0
Stack-based buffer overflow in the CmpWebServer component in 3S CoDeSys 3.4 SP4 Patch 2 and earlier, as used on the ABB AC500 PLC and possibly other products, allows remote attackers to execute arbitrary code via a long URI to TCP port 8080.
- Record
CVE-2011-5007- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Stack-based buffer overflow in the CmpWebServer component in 3S CoDeSys 3.4 SP4 Patch 2 and earlier, as used on the ABB AC500 PLC and possibly other products, allows remote attackers to execute arbitrary code via a long URI to TCP port 8080.
- Record
CVE-2011-5007- Updated
- 2026-11-02
EUVDEUVD-2011-4912 No score
Stack-based buffer overflow in the CmpWebServer component in 3S CoDeSys 3.4 SP4 Patch 2 and earlier, as used on the ABB AC500 PLC and possibly other products, allows remote attackers to execute arbitrary code via a long URI to TCP port 8080.
- Record
EUVD-2011-4912- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p96c-w9qf-8j98 No score
Stack-based buffer overflow in the CmpWebServer component in 3S CoDeSys 3.4 SP4 Patch 2 and...
Stack-based buffer overflow in the CmpWebServer component in 3S CoDeSys 3.4 SP4 Patch 2 and earlier, as used on the ABB AC500 PLC and possibly other products, allows remote attackers to execute arbitrary code via a long URI to TCP port 8080.
- Record
GHSA-p96c-w9qf-8j98- Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | CoDeSys SCADA 2.3 - Remote Buffer Overflow | 2011-12-01 |
| Exploit-DB | CoDeSys SCADA 2.3 - WebServer Stack Buffer Overflow (Metasploit) | 2011-12-13 |
| Metasploit | SCADA 3S CoDeSys CmpWebServer Stack Buffer Overflow | 2011-12-02 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-5007 is a high vulnerability (CVSS 10.0) in 3ssoftware Codesys, published December 25, 2011. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 72.7%, the 99th percentile. No source names a fixed version.