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-2017-12070

25
FAUCET Score

CVE-2017-12070 describes a critical vulnerability affecting unsigned DLLs distributed by the OPC Foundation's UA .NET Legacy software, allowing for the replacement of legitimate components with malicious code. With a CVSS score of 8.8 (High), this vulnerability presents a significant risk due to its network-based attack vector, low attack complexity, and potential for high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, the inherent risk remains due to the ease of exploitation and severe consequences if compromised.

Impacted Technologies

VendorProductVersion(s)CPE
1.02.336.0CPE matchmatch criteria
cpe:2.3:a:opcfoundation:ua-.net-legacy:1.02.336.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.03%
Probability of exploitation in next 30 days
EPSS Percentile
60.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0103 is in the 60th percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

opcfoundation-onlineapplications.org / faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2017-12070.pdf
Vendor Advisory