CVE-2012-4706

highpriority · track · 32EPSS 0.016 · 76 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.61% (76th) EPSS

CVSS 7.8 · high

Is it mine?

20 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

Integer signedness error in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to cause a denial of service via a crafted packet that triggers a heap-based buffer overflow.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationGateway-Servercisa_csaf_ot
3S has produced a security patch that mitigates these vulnerabilities. The patch is available on the download site for CODESYS: CODESYS V2.3.9.38

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.8

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Csecondary · CISA US

v2.06.6mediumAV:N/AC:L/Au:N/C:N/I:N/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-189USprimaryCWE-122US

affected products (20)

Products and version ranges known to be affected.

3S-Smart Software Solutions Gateway-Server: <ver._2.3.9.27all versionscisa_csaf_otUS
3S-Smart Software Solutions Gateway-Server< ver._2.3.9.27cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
3s-software codesys gateway-server≤ 2.3.9.20nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys gateway-server= 2.3.5.1nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys gateway-server= 2.3.5.2nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys gateway-server= 2.3.5.3nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys gateway-server= 2.3.6.0nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys gateway-server= 2.3.7.0nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys gateway-server= 2.3.8.0nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys gateway-server= 2.3.8.1nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys gateway-server= 2.3.8.2nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys gateway-server= 2.3.9nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys gateway-server= 2.3.9.1nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys gateway-server= 2.3.9.18nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys gateway-server= 2.3.9.19nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys gateway-server= 2.3.9.2nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys gateway-server= 2.3.9.3nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys gateway-server= 2.3.9.4nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys gateway-server= 2.3.9.5nvdUScpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-13-050-01A3S CODESYS Gateway-Server Vulnerabilities2013-11-23icsa · cisa_csaf_otUS
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2013-02-24modified 2026-06-16

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+1337 more

references (5)

External citations — patches, advisories, analysis.

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