CVE-2011-5008
CVE-2011-5008 is a high-severity vulnerability in 3ssoftware Codesys with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.
Key facts
- Severity: High (CVSS 2.0 base score 7.5)
- EPSS exploit prediction: 5% (91st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-189
- Affected product: 3ssoftware Codesys
- Published:
- Last modified:
Description
Integer overflow in the GatewayService component in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to execute arbitrary code via a large size value in the packet header, which triggers a heap-based buffer overflow.
Frequently asked questions
- What is CVE-2011-5008?
- Integer overflow in the GatewayService component in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to execute arbitrary code via a large size value in the packet header, which triggers a heap-based buffer overflow.
- How severe is CVE-2011-5008?
- CVE-2011-5008 has a CVSS 2.0 base score of 7.5, rated high severity.
- Is CVE-2011-5008 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2011-5008?
- CVE-2011-5008 affects 3ssoftware Codesys. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2011-5008?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2011-5008 published?
- CVE-2011-5008 was published on 2011-12-25 and last updated on 2026-06-16.
References
- http://aluigi.altervista.org/adv/codesys_1-adv.txt
- http://seclists.org/bugtraq/2011/Nov/178
- http://secunia.com/advisories/47018
- http://www.osvdb.org/77386
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71531
Affected products (1)
- cpe:2.3:a:3ssoftware:codesys:3.4:sp4:*:*:*:*:*:*
More vulnerabilities in 3ssoftware Codesys
- CVE-2011-5007 — Critical (CVSS 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…
- CVE-2011-5058 — Medium (CVSS 6.4): The CmbWebserver.dll module of the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to create…
- CVE-2011-5009 — Medium (CVSS 5.0): The CmpWebServer.dll module in the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to cause a…
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