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Fencer Vulns
high 7.8

CVE-2022-3379 json

Horner Automation's Cscape version 9.90 SP7 and prior does not properly validate user-supplied data.

published 2022-10-27 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-42757

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits
0
none known

Summary

Horner Automation's Cscape version 9.90 SP7 and prior does not properly validate user-supplied data. If a user opens a maliciously formed FNT file, then an attacker could execute arbitrary code within the current process by writing outside the memory buffer.

Patch / fix

  • hornerautomation cscape 9.90

Vendor advisories

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

cisa ICSA-22-277-03 updated cvss 7.8

Horner Automation Cscape

  • Horner Automation Cscape <=9.90_SP_7, <=9.90_SP_6
    affected: vendor fix, mitigation “Horner Automation has identified the following specific workarounds and mitigations users can apply to reduce risk:” hornerautomation.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
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Horner Automation Cscape

Classification

Weakness

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.