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Fencer Intel
critical 9.4

CVE-2022-2102 json

Secheron SEPCOS Control and Protection Relay

published 4y ago modified 4mo ago also EUVD-2022-34390

cvss
9.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

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.

Patch / fix

  • Secheron SEPCOS Control and Protection Relay firmware package 1.23.21, 1.24.8, 1.25.3

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Vendor advisories

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

cisa ICSA-22-174-03 updated cvss 9.4

Secheron SEPCOS Control and Protection Relay

  • Secheron SEPCOS Single Package firmware (1.23.xx feature level) < 1.23.21 Secheron SEPCOS Single Package firmware (1.24.xx feature level) < 1.24.8 Secheron SEPCOS Single Package firmware (1.25.xx feature level) < 1.25.3
    affected: fixed in 1.25.3, mitigation “SEPCOS Single Package firmware (1.23.xx feature level): Update to 1.23.22 or higher version” support.secheron.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

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 9.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected products

  • Secheron SEPCOS Control and Protection Relay firmware package

Classification

Weakness
  • CWE-841 Improper Enforcement of Behavioral Workflow
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

Sources

Fencer Intel 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.