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CVE-2011-5007

10.0 · HIGH

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 arb…

Published Dec 25, 20113ssoftwareCWE-119EPSS 72.71%

Overview

CVE-2011-5007 is a high-severity vulnerability affecting 3ssoftware codesys. It was published on December 25, 2011 and has a CVSS 2.0 base score of 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from 3ssoftware. Update codesys to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
3ssoftwarecodesys0Affected

References

Refaluigi.altervista.org/adv/codesys_1-adv.txtRefics-cert.us-cert.gov/advisories/ICSA-12-320-01Refosvdb.org/77387Refseclists.org/bugtraq/2011/Nov/178Refsecunia.com/advisories/47018Refwww.exploit-db.com/exploits/18187Refwww.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01.pdfRefwww.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdfRefaluigi.altervista.org/adv/codesys_1-adv.txtRefics-cert.us-cert.gov/advisories/ICSA-12-320-01

How CyberStrike helps

Frequently asked questions

What is CVE-2011-5007?

CVE-2011-5007 is a high-severity vulnerability affecting 3ssoftware codesys. It was published on December 25, 2011 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2011-5007?

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-5007?

Check the references section for vendor advisories and patches from 3ssoftware. Update codesys to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-5007?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-5007 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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