CVE-2011-5007

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 72.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-12-25 · updated 2026-06-16
Weakness: CWE-119

Description

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.

Affected products

3Ssoftware Codesys: through 3.4

References

http://aluigi.altervista.org/adv/codesys_1-adv.txt
http://ics-cert.us-cert.gov/advisories/ICSA-12-320-01
http://osvdb.org/77387
http://seclists.org/bugtraq/2011/Nov/178
http://secunia.com/advisories/47018
http://www.exploit-db.com/exploits/18187
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01.pdf
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf
http://aluigi.altervista.org/adv/codesys_1-adv.txt
http://ics-cert.us-cert.gov/advisories/ICSA-12-320-01
http://osvdb.org/77387
http://seclists.org/bugtraq/2011/Nov/178

Get alerted when CVE-2011-5007 or the next vulnerability affects your stack