How severe is CVE-2022-1666?

CVE-2022-1666 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-1666 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-1666?

CVE-2022-1666 affects Secheron Sepcos Control And Protection Relay Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-1666?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-1666 published?

CVE-2022-1666 was published on 2022-06-24 and last updated on 2026-06-17.

CVE-2022-1666

CVE-2022-1666 is a medium-severity vulnerability in Secheron Sepcos Control And Protection Relay Firmware with a CVSS 3.x base score of 6.5. 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-522.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Secheron Sepcos Control And Protection Relay Firmware
Published: 2022-06-24
Last modified: 2026-06-17

Description

The default password for the web application’s root user (the vendor’s private account) was weak and the MD5 hash was used to crack the password using a widely available open-source tool.

Frequently asked questions

What is CVE-2022-1666?: The default password for the web application’s root user (the vendor’s private account) was weak and the MD5 hash was used to crack the password using a widely available open-source tool.
How severe is CVE-2022-1666?: CVE-2022-1666 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-1666 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-1666?: CVE-2022-1666 affects Secheron Sepcos Control And Protection Relay Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-1666?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-1666 published?: CVE-2022-1666 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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