CVE-2013-4911

Cross-site request forgery (CSRF) vulnerability in Siemens WinCC (TIA Portal) 11 and 12 before 12 SP1 allows remote attackers to hijack the authentication of unspecified victims by leveraging improper configuration of SIMATIC HMI panels by the WinCC product.

Published: 2013-08-01 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-4911 is rated Moderate Risk (49.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.08%). 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-2013-4911

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 0.29% 1.08% +0.80%
2 2025-04-27 0.24% 0.29% +0.04%
3 2025-03-17 — 0.24% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4911

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-2013-4911

Affected software / configurations for CVE-2013-4911

Vendor Product Version Raw CPE
siemens wincc 11.0 cpe:2.3:a:siemens:wincc:11.0:*:*:*:*:*:*:*
siemens wincc 11.0 cpe:2.3:a:siemens:wincc:11.0:sp1:*:*:*:*:*:*
siemens wincc 11.0 cpe:2.3:a:siemens:wincc:11.0:sp2:*:*:*:*:*:*
siemens wincc 12.0 cpe:2.3:a:siemens:wincc:12.0:*:*:*:*:*:*:*

References for CVE-2013-4911

cvelogic Threat Intelligence