CVE-2013-0677

The web server in Siemens WinCC before 7.2, as used in SIMATIC PCS7 before 8.0 SP1 and other products, allows remote attackers to obtain sensitive information or cause a denial of service via a crafted project file.

Published: 2013-03-21 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-0677 is rated Moderate Risk (51.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.90%). Core evidence: EPSS rose +1.39% over the last day, indicating growing attacker interest. Mandatory action: 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-2013-0677

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 0.51% 1.90% +1.39%
2 2025-03-30 0.69% 0.51% -0.19%
3 2025-03-29 0.69%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-0677

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/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:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 4.9 [email protected]

Weakness enumeration for CVE-2013-0677

Affected software / configurations for CVE-2013-0677

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-2013-0677

cvelogic Threat Intelligence