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Fencer Vulns
medium 5.3

CVE-2023-7234 json

Integration Objects OPC UA Server Toolkit Improper Output Neutralization for Logs

published 2024-01-16 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-59415

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits
0
none known

Summary

OPCUAServerToolkit will write a log message once an OPC UA client has successfully connected containing the client's self-defined description field.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-24-016-02 updated cvss 5.3

Integration Objects OPC UA Server Toolkit (Update A)

  • Integration Objects OPC UA Server Toolkit <=1.0.0
    affected: vendor fix, mitigation “Integration Objects published a news update on their website” integrationobjects.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected products

  • Integration Objects OPC UA Server Toolkit

Classification

Weakness
  • CWE-117 Improper Output Neutralization for Logs
  • CWE-116 Improper Encoding or Escaping of Output

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.