How severe is CVE-2022-2661?

CVE-2022-2661 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-2661 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-2661?

CVE-2022-2661 affects Sequi Portbloque S Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-2661?

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

When was CVE-2022-2661 published?

CVE-2022-2661 was published on 2022-08-16 and last updated on 2026-06-17.

CVE-2022-2661

CVE-2022-2661 is a critical-severity vulnerability in Sequi Portbloque S Firmware with a CVSS 3.x base score of 9.9. 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-285.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Sequi Portbloque S Firmware
Published: 2022-08-16
Last modified: 2026-06-17

Description

Sequi PortBloque S has an improper authorization vulnerability, which may allow a low-privileged user to perform administrative functions using specifically crafted requests.

Frequently asked questions

What is CVE-2022-2661?: Sequi PortBloque S has an improper authorization vulnerability, which may allow a low-privileged user to perform administrative functions using specifically crafted requests.
How severe is CVE-2022-2661?: CVE-2022-2661 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-2661 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2661?: CVE-2022-2661 affects Sequi Portbloque S Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-2661?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-2661 published?: CVE-2022-2661 was published on 2022-08-16 and last updated on 2026-06-17.

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-228-07

Affected products (1)

cpe:2.3:o:sequi:portbloque_s_firmware:*:*:*:*:*:*:*:*

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