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CVE-2011-5008

24
FAUCET Score

CVE-2011-5008 describes an integer overflow vulnerability in the GatewayService component of 3S CoDeSys 3.4 SP4 Patch 2. This flaw allows remote attackers to execute arbitrary code by sending a crafted packet with a large size value, leading to a heap-based buffer overflow. The vulnerability has a CVSS score of 7.5, indicating high severity with network-based exploitation, low attack complexity, and potential for partial confidentiality, integrity, and availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.4CPE matchmatch criteria
cpe:2.3:a:3ssoftware:codesys:3.4:sp4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.03%
Probability of exploitation in next 30 days
EPSS Percentile
91.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0503 is in the 85th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

aluigi.altervista.org / adv/codesys_1-adv.txt
seclists.org / bugtraq/2011/Nov/178
secunia.com / advisories/47018
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/71531
osvdb.org / 77386
us-cert.gov / control_systems/pdf/ICS-ALERT-11-336-01A.pdf
ExploitUS Government Resource