How severe is CVE-2020-10626?

CVE-2020-10626 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-2020-10626 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10626?

CVE-2020-10626 primarily affects Fazecast Jserialcomm. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-10626?

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-2020-10626 published?

CVE-2020-10626 was published on 2020-05-14 and last updated on 2026-06-17.

CVE-2020-10626

CVE-2020-10626 is a high-severity vulnerability in Fazecast Jserialcomm 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-427.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.9
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Fazecast Jserialcomm
Published: 2020-05-14
Last modified: 2026-06-17

Description

In Fazecast jSerialComm, Version 2.2.2 and prior, an uncontrolled search path element vulnerability could allow a malicious DLL file with the same name of any resident DLLs inside the software installation to execute arbitrary code.

Frequently asked questions

What is CVE-2020-10626?: In Fazecast jSerialComm, Version 2.2.2 and prior, an uncontrolled search path element vulnerability could allow a malicious DLL file with the same name of any resident DLLs inside the software installation to execute arbitrary code.
How severe is CVE-2020-10626?: CVE-2020-10626 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-2020-10626 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10626?: CVE-2020-10626 primarily affects Fazecast Jserialcomm. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-10626?: 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-2020-10626 published?: CVE-2020-10626 was published on 2020-05-14 and last updated on 2026-06-17.

References

https://www.us-cert.gov/ics/advisories/ICSA2012601

Affected products (3)

cpe:2.3:a:fazecast:jserialcomm:*:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:ecostruxure_it_gateway:*:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:ecostruxure_it_gateway:1.7.0.64:*:*:*:*:*:*:*

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