Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2014-8551

33
FAUCET Score

CVE-2014-8551 is a critical arbitrary code execution vulnerability affecting Siemens SIMATIC WinCC, PCS 7, and TIA Portal products. This flaw allows unauthenticated remote attackers to execute arbitrary code by sending specially crafted packets to the WinCC server. With a CVSS score of 10.0, it represents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
7.1CPE matchmatch criteria
cpe:2.3:a:siemens:simatic_pcs_7:7.1:sp1:*:*:*:*:*:*
7.1CPE matchmatch criteria
cpe:2.3:a:siemens:simatic_pcs7:7.1:sp3:*:*:*:*:*:*
7.1CPE matchmatch criteria
cpe:2.3:a:siemens:simatic_pcs7:7.1:sp4:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:a:siemens:simatic_pcs7:8.0:sp1:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:a:siemens:simatic_pcs7:8.0:sp2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.27%
Probability of exploitation in next 30 days
EPSS Percentile
91.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0527 is in the 85th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

siemens.com / innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-134508.pdf
Vendor Advisory