How severe is CVE-2022-1667?

CVE-2022-1667 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-1667 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-1667?

CVE-2022-1667 affects Secheron Sepcos Control And Protection Relay Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-1667?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-1667 published?

CVE-2022-1667 was published on 2022-06-24 and last updated on 2026-06-17.

CVE-2022-1667

CVE-2022-1667 is a high-severity vulnerability in Secheron Sepcos Control And Protection Relay Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-841.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-841
Affected product: Secheron Sepcos Control And Protection Relay Firmware
Published: 2022-06-24
Last modified: 2026-06-17

Description

Client-side JavaScript controls may be bypassed by directly running a JS function to reboot the PLC (e.g., from the browser console) or by loading the corresponding, browser accessible PHP script

Frequently asked questions

What is CVE-2022-1667?: Client-side JavaScript controls may be bypassed by directly running a JS function to reboot the PLC (e.g., from the browser console) or by loading the corresponding, browser accessible PHP script
How severe is CVE-2022-1667?: CVE-2022-1667 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-1667 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-1667?: CVE-2022-1667 affects Secheron Sepcos Control And Protection Relay Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-1667?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-1667 published?: CVE-2022-1667 was published on 2022-06-24 and last updated on 2026-06-17.

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-174-03

Affected products (1)

cpe:2.3:o:secheron:sepcos_control_and_protection_relay_firmware:*:*:*:*:*:*:*:*

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