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Fencer Intel
critical 9.8

CVE-2018-14807 json

A stack-based buffer overflow vulnerability in Opto 22 PAC Control Basic and PAC Control Professional versions R10.0a and prior may allow r…

published 8y ago modified 4mo ago also EUVD-2018-6691

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

A stack-based buffer overflow vulnerability in Opto 22 PAC Control Basic and PAC Control Professional versions R10.0a and prior may allow remote code execution.

Is CVE-2018-14807 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

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

cisa ICSA-18-247-01 updated cvss 8.4

Opto 22 PAC Control Basic and PAC Control Professional

  • Opto 22 PAC Control Basic Versions <= R10.0a Opto 22 PAC Control Professional <= R10.0a
    affected: mitigation “Opto 22 recommends users upgrade to the newest version.” opto22.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

Exploit prediction

3.13% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Opto 22 PAC Control Basic and PAC Control Professional

Classification

Weakness

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.