CVE-2022-2103: An attacker with weak credentials could access the TCP port via an open FTP port, allowing an attacker to read

Q: How do I fix CVE-2022-2103?

sepcos control and protection relay firmware: upgrade to 1.23.21, 1.24.8, 1.25.3. Exact commands for each OS are on this page.

Q: Is CVE-2022-2103 being exploited?

CVE-2022-2103 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-2103 affect?

CVE-2022-2103 affects sepcos control and protection relay firmware. Severity is critical (CVSS 9.8). An attacker with weak credentials could access the TCP port via an open FTP port, allowing an attacker to read sensitive files and write to remotely executable directories.

Q: How urgent is CVE-2022-2103?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2022-2103 is a critical-severity flaw (CVSS 9.8) affecting sepcos control and protection relay firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An attacker with weak credentials could access the TCP port via an open FTP port, allowing an attacker to read sensitive files and write to remotely executable directories.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-284, CWE-522
Published	2022-06-24
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: secheron

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

Am I affected?

Timeline

2022-06-24 15:15 UTCPublished CVE record published
2026-06-17 04:41 UTCUpdated Record last modified

secheron sepcos control and protection relay firmware UPGRADE

Affected: >= 1.23.0 and < 1.23.21 · >= 1.24.0 and < 1.24.8 · >= 1.25.0 and < 1.25.3

Fixed in: 1.23.21, 1.24.8, 1.25.3

Safe to downgrade to: a release before 1.23.0

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-2022-2103?

sepcos control and protection relay firmware: upgrade to 1.23.21, 1.24.8, 1.25.3. Exact commands for each OS are on this page.

Is CVE-2022-2103 being exploited?

CVE-2022-2103 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-2022-2103 affect?

CVE-2022-2103 affects sepcos control and protection relay firmware. Severity is critical (CVSS 9.8). An attacker with weak credentials could access the TCP port via an open FTP port, allowing an attacker to read sensitive files and write to remotely executable directories.

How urgent is CVE-2022-2103?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

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References

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