CVE-2012-4706

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.

Published: 2013-02-24 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-4706 is rated Moderate Risk (54.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.61%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-4706

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 0.51% 0.61% +0.10%
2 2025-03-29 0.61% 0.51% -0.10%
3 2025-03-17 — 0.61% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4706

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2012-4706

Affected software / configurations for CVE-2012-4706

Vendor Product Version Raw CPE
3s-software codesys_gateway-server <= 2.3.9.20 cpe:2.3:a:3s-software:codesys_gateway-server:*:*:*:*:*:*:*:*
3s-software codesys_gateway-server 2.3.5.1 cpe:2.3:a:3s-software:codesys_gateway-server:2.3.5.1:*:*:*:*:*:*:*
3s-software codesys_gateway-server 2.3.5.2 cpe:2.3:a:3s-software:codesys_gateway-server:2.3.5.2:*:*:*:*:*:*:*
3s-software codesys_gateway-server 2.3.5.3 cpe:2.3:a:3s-software:codesys_gateway-server:2.3.5.3:*:*:*:*:*:*:*
3s-software codesys_gateway-server 2.3.6.0 cpe:2.3:a:3s-software:codesys_gateway-server:2.3.6.0:*:*:*:*:*:*:*
3s-software codesys_gateway-server 2.3.7.0 cpe:2.3:a:3s-software:codesys_gateway-server:2.3.7.0:*:*:*:*:*:*:*
3s-software codesys_gateway-server 2.3.8.0 cpe:2.3:a:3s-software:codesys_gateway-server:2.3.8.0:*:*:*:*:*:*:*
3s-software codesys_gateway-server 2.3.8.1 cpe:2.3:a:3s-software:codesys_gateway-server:2.3.8.1:*:*:*:*:*:*:*
3s-software codesys_gateway-server 2.3.8.2 cpe:2.3:a:3s-software:codesys_gateway-server:2.3.8.2:*:*:*:*:*:*:*
3s-software codesys_gateway-server 2.3.9 cpe:2.3:a:3s-software:codesys_gateway-server:2.3.9:*:*:*:*:*:*:*
3s-software codesys_gateway-server 2.3.9.1 cpe:2.3:a:3s-software:codesys_gateway-server:2.3.9.1:*:*:*:*:*:*:*
3s-software codesys_gateway-server 2.3.9.2 cpe:2.3:a:3s-software:codesys_gateway-server:2.3.9.2:*:*:*:*:*:*:*
3s-software codesys_gateway-server 2.3.9.3 cpe:2.3:a:3s-software:codesys_gateway-server:2.3.9.3:*:*:*:*:*:*:*
3s-software codesys_gateway-server 2.3.9.4 cpe:2.3:a:3s-software:codesys_gateway-server:2.3.9.4:*:*:*:*:*:*:*
3s-software codesys_gateway-server 2.3.9.5 cpe:2.3:a:3s-software:codesys_gateway-server:2.3.9.5:*:*:*:*:*:*:*
3s-software codesys_gateway-server 2.3.9.18 cpe:2.3:a:3s-software:codesys_gateway-server:2.3.9.18:*:*:*:*:*:*:*
3s-software codesys_gateway-server 2.3.9.19 cpe:2.3:a:3s-software:codesys_gateway-server:2.3.9.19:*:*:*:*:*:*:*

References for CVE-2012-4706

cvelogic Threat Intelligence