How severe is CVE-2019-13520?

CVE-2019-13520 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-13520 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-13520?

CVE-2019-13520 affects Fujielectric Alpha5 Smart Loader Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-13520?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-13520 published?

CVE-2019-13520 was published on 2019-08-20 and last updated on 2026-06-17.

CVE-2019-13520

CVE-2019-13520 is a high-severity vulnerability in Fujielectric Alpha5 Smart Loader Firmware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Fujielectric Alpha5 Smart Loader Firmware
Published: 2019-08-20
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2019-13520?: 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.
How severe is CVE-2019-13520?: CVE-2019-13520 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-13520 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-13520?: CVE-2019-13520 affects Fujielectric Alpha5 Smart Loader Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-13520?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-13520 published?: CVE-2019-13520 was published on 2019-08-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:fujielectric:alpha5_smart_loader_firmware:*:*:*:*:*:*:*:*

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CVE-2018-14794 — Critical (CVSS 9.8): Fuji Electric Alpha5 Smart Loader Versions 3.7 and prior. The device does not perform a check on the length/size of a…
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CVE-2022-21214 — High (CVSS 7.8): The affected product is vulnerable to a heap-based buffer overflow, which may lead to code execution.
CVE-2018-14788 — Medium (CVSS 5.3): Fuji Electric Alpha5 Smart Loader Versions 3.7 and prior. A buffer overflow information disclosure vulnerability occurs…
CVE-2022-21202 — Low (CVSS 3.3): The affected product is vulnerable to an out-of-bounds read, which may result in disclosure of sensitive information.

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