CVE-2022-2102: Controls limiting uploads to certain file extensions may be bypassed

Q: How do I fix CVE-2022-2102?

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-2022-2102 being exploited?

CVE-2022-2102 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-2022-2102 affect?

CVE-2022-2102 affects sepcos control and protection relay firmware. Severity is critical (CVSS 9.4). Controls limiting uploads to certain file extensions may be bypassed. This could allow an attacker to intercept the initial file upload page response and modify the associated code. This modified code can be forwarded and used by a script l

Q: How urgent is CVE-2022-2102?

Priority 53/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.4REMOTEUPGRADE

CVE-2022-2102 is a critical-severity flaw (CVSS 9.4) 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.

Controls limiting uploads to certain file extensions may be bypassed. This could allow an attacker to intercept the initial file upload page response and modify the associated code. This modified code can be forwarded and used by a script loaded later in the sequence, allowing for arbitrary file upload into a location where PHP scripts may be executed.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.4 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-841, CWE-434
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-2022-2102?

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-2022-2102 being exploited?

CVE-2022-2102 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-2022-2102 affect?

CVE-2022-2102 affects sepcos control and protection relay firmware. Severity is critical (CVSS 9.4). Controls limiting uploads to certain file extensions may be bypassed. This could allow an attacker to intercept the initial file upload page response and modify the associated code. This modified code can be forwarded and used by a script l

How urgent is CVE-2022-2102?

Priority 53/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2022-2105 CRITICAL 9.4 UPGRADE Client-side JavaScript controls may be bypassed to change user credentials and permissions without authenticat
CVE-2022-2104 CRITICAL 9.9 UPGRADE The www-data (Apache web server) account is configured to run sudo with no password for many commands (includi
CVE-2022-2103 CRITICAL 9.8 UPGRADE An attacker with weak credentials could access the TCP port via an open FTP port, allowing an attacker to read
CVE-2022-1668 CRITICAL 9.8 UPGRADE Weak default root user credentials allow remote attackers to easily obtain OS superuser privileges over the op
CVE-2022-1667 HIGH 7.5 UPGRADE Client-side JavaScript controls may be bypassed by directly running a JS function to reboot the PLC (e.g., fro

References

← Back to latest CVEs