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Fencer Vulns
high 7.8

CVE-2019-13520 json

Multiple buffer overflow issues have been identified in Alpha5 Smart Loader: All versions prior to 4.2.

published 2019-08-20 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-4975

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

Multiple buffer overflow issues have been identified in Alpha5 Smart Loader: All versions prior to 4.2. An attacker could use specially crafted project files to overflow the buffer and execute code under the privileges of the application.

Patch / fix

  • fujielectric alpha5_smart_loader_firmware 4.2

Vendor advisories

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

cisa ICSA-19-227-02 updated cvss 7.8

Fuji Electric Alpha5 Smart Loader

  • Fuji Electric Alpha5 Smart Loader < 4.2
    affected: mitigation “Fuji Electric has released Version 4.2 of the Alpha Loader software (login required).” felib.fujielectric.co.jp

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

2.95% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/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 Alpha5 Smart Loader

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.