CVE-2013-0674

Buffer overflow in the RegReader ActiveX control in Siemens WinCC before 7.2, as used in SIMATIC PCS7 before 8.0 SP1 and other products, allows remote attackers to execute arbitrary code via a long parameter.

Published: 2013-03-21 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-0674 is rated Moderate Risk (58.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.36%). 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-2013-0674

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 2026-06-15 2.68% 3.36% +0.69%
2 2025-04-27 6.34% 2.68% -3.66%
3 2025-03-30 — 6.34% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-0674

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2013-0674

Affected software / configurations for CVE-2013-0674

Vendor Product Version Raw CPE
siemens simatic_pcs7 <= 8.0 cpe:2.3:a:siemens:simatic_pcs7:*:*:*:*:*:*:*:*
siemens simatic_pcs7 7.1 cpe:2.3:a:siemens:simatic_pcs7:7.1:sp3:*:*:*:*:*:*
siemens wincc <= 7.1 cpe:2.3:a:siemens:wincc:*:*:*:*:*:*:*:*
siemens wincc 5.0 cpe:2.3:a:siemens:wincc:5.0:*:*:*:*:*:*:*
siemens wincc 5.0 cpe:2.3:a:siemens:wincc:5.0:sp1:*:*:*:*:*:*
siemens wincc 6.0 cpe:2.3:a:siemens:wincc:6.0:*:*:*:*:*:*:*
siemens wincc 6.0 cpe:2.3:a:siemens:wincc:6.0:sp2:*:*:*:*:*:*
siemens wincc 6.0 cpe:2.3:a:siemens:wincc:6.0:sp3:*:*:*:*:*:*
siemens wincc 6.0 cpe:2.3:a:siemens:wincc:6.0:sp4:*:*:*:*:*:*
siemens wincc 7.0 cpe:2.3:a:siemens:wincc:7.0:*:*:*:*:*:*:*
siemens wincc 7.0 cpe:2.3:a:siemens:wincc:7.0:sp1:*:*:*:*:*:*
siemens wincc 7.0 cpe:2.3:a:siemens:wincc:7.0:sp2:*:*:*:*:*:*
siemens wincc 7.0 cpe:2.3:a:siemens:wincc:7.0:sp3:*:*:*:*:*:*

References for CVE-2013-0674

cvelogic Threat Intelligence