CVE-2022-39838: Systematic FIX Adapter (ALFAFX) 2.4.0.25 13/09/2017 allows remote file inclusion via a UNC share pathname, and

This week

HIGH 8.6REMOTEMITIGATE

CVE-2022-39838 is a high-severity flaw (CVSS 8.6) affecting systematic fix adapter firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Systematic FIX Adapter (ALFAFX) 2.4.0.25 13/09/2017 allows remote file inclusion via a UNC share pathname, and also allows absolute path traversal to local pathnames.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.6 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.9% (top 20%)
CISA exploited list	No
Weakness	CWE-22
Published	2022-09-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: systematicalpha

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-09-05 16:15 UTCPublished CVE record published
2026-06-17 04:58 UTCUpdated Record last modified

systematicalpha systematic fix adapter firmware MITIGATE

Affected: 2.4.0.25

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.4.0.25

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-39838?

systematic fix adapter firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-39838 being exploited?

CVE-2022-39838 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-39838 affect?

CVE-2022-39838 affects systematic fix adapter firmware. Severity is high (CVSS 8.6). Systematic FIX Adapter (ALFAFX) 2.4.0.25 13/09/2017 allows remote file inclusion via a UNC share pathname, and also allows absolute path traversal to local pathnames.

How urgent is CVE-2022-39838?

Priority 60/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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