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Fencer Intel
critical 9.8

CVE-2016-8364 json

An issue was discovered in IBHsoftec S7-SoftPLC prior to 4.12b.

published 2017-02-13 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-9212

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

An issue was discovered in IBHsoftec S7-SoftPLC prior to 4.12b. Object memory can read a network packet that is larger than the space that is available, a Heap-based Buffer Overflow.

Vendor advisories

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

cisa ICSA-16-306-02 updated cvss 9.8

IBHsoftec S7-SoftPLC CPX43 Heap-based Buffer Overflow Vulnerability

  • IBHsoftec S7-SoftPLC <4.12b
    affected: mitigation “IBHsoftec has released a new version to address this vulnerability. It can be located on its web site at the following locations: (https://download.ibhsoftec.com/english/Demos/SoftPLC-Demo.exe)” download.ibhsoftec.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

2.42% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • n/a IBHsoftec S7-SoftPLC CPX43 prior to 4.12b

Classification

Weakness
  • 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.