5.3

CVE-2018-12087: opcfoundation ua-.net-legacy Improper Certificate Validation

CVSS: 5.3v3.0MediumModified
AliasesGHSA-8336-mxp6-v5h9
Published 03-10-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-12087 is a medium (CVSS 5.3) Improper Certificate Validation vulnerability in opcfoundation ua-.net-legacy. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 19.8% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.0 (NVD)
EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-10-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Failure to validate certificates in OPC Foundation UA Client Applications communicating without security allows attackers with control over a piece of network infrastructure to decrypt passwords.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

0.00 pp

From 0.29% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Opcfoundation2 products
NuGet1 product
  • OPCFoundation.NetStandard.Opc.Ua< 1.4.353.15

2 vendors · 3 products

References

3 links