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Fencer Intel
high 8.8

CVE-2020-10616 json

Opto 22 SoftPAC Project Version 9.6 and prior.

published 6y ago modified 4mo ago also EUVD-2020-3064

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

Opto 22 SoftPAC Project Version 9.6 and prior. SoftPAC does not specify the path of multiple imported .dll files. Therefore, an attacker can replace them and execute code whenever the service starts.

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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-20-135-01 updated cvss 6.5

Opto 22 SoftPAC Project

  • Opto 22 SoftPAC Project <= 9.6
    affected: mitigation “Opto 22 released PAC Project 10.3 it is available for download” 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

1.75% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • n/a Opto 22 SoftPAC Project

Classification

Weakness
  • CWE-427 Uncontrolled Search Path Element

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.