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Fencer Intel
high 7.8

CVE-2015-1007 json

A specially crafted configuration file could be used to cause a stack-based buffer overflow condition in the OPCTest.exe, which may allow r…

published 2019-03-25 7 y ago modified 2026-06-17 4 mo ago also EUVD-2015-1151

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

A specially crafted configuration file could be used to cause a stack-based buffer overflow condition in the OPCTest.exe, which may allow remote code execution on Opto 22 PAC Project Professional versions prior to R9.4008, PAC Project Basic versions prior to R9.4008, PAC Display Basic versions prior to R9.4g, PAC Display Professional versions prior to R9.4g, OptoOPCServer version R9.4c and prior that were installed by PAC Project installer, versions prior to R9.4008, and OptoDataLink version R9.4d and prior that were installed by PAC Project installer, versions prior to R9.4008. Opto 22 suggests upgrading to the new product version as soon as possible.

Patch / fix

  • opto22 pac_display r9.4g
  • opto22 pac_project r9.4008

Vendor advisories

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

cisa ICSA-15-120-01 updated cvss 6.2

Opto 22 Multiple Product Vulnerabilities

  • Opto 22 OptoDataLink R9.4d, <=R9.4d Opto 22 OptoOPCServer <R9.4c, <=R9.4c Opto 22 PAC Display Basic <R9.4f, <R9.4g Opto 22 PAC Display Professional <R9.4f, <R9.4g Opto 22 PAC Project Basic <R9.4006, <R9.4008 Opto 22 PAC Project Professional <R9.4006, <R9.4008
    affected: mitigation “Opto 22 suggests upgrading to the new product version, as soon as possible. Opto 22’s product downloads are available at the following URL:(http://www.opto22.com/site/downloads/dl_downloads.aspx)”

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

Exploit prediction

2.67% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

  • Opto 22 PAC Project Professional
  • Opto 22 PAC Project Basic
  • Opto 22 PAC Display Basic
  • Opto 22 PAC Display Professional
  • Opto 22 OptoOPCServer
  • Opto 22 OptoDataLink

Classification

Weakness
  • CWE-121 Stack-based Buffer Overflow
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel 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.