In Fazecast jSerialComm, Version 2.2.2 and prior, an uncontrolled search path element vulnerability could allow a malicious DLL file with t…

published 2020-05-14 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-3074

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits: 0; none known

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.

Vendor advisories

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

cisa ICSA-20-126-01 updated 2020-05-05 cvss 7.8

Fazecast jSerialComm

Fazecast EcoStruxure IT Gateway 1.5.x, 1.6.x, 1.7.x
affected: fixed in 1.8.1 helpcenter.ecostruxureit.com
Fazecast jSerialComm <= 2.2.2
affected: fixed in 2.3 github.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

0.50% chance of exploitation in the next 30 days, higher than 43% 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	6.9	AV:L/AC:M/Au:N/C:C/I:C/A:C

Affected products

n/a Fazecast jSerialComm, Version 2.2.2 and prior

Classification

Weakness

CWE-427 Uncontrolled Search Path Element

References

us-cert.gov /ics/advisories/ICSA2012601
third-party-advisory, us-government-resource

Sources

CVE List CVE-2020-10626
NVD CVE-2020-10626

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.

Summary